45562440 has 128 divisors (see below), whose sum is σ = 170449920. Its totient is φ = 9465600.

The previous prime is 45562427. The next prime is 45562453. The reversal of 45562440 is 4426554.

45562440 = T₂₁₇ + T₂₁₈ + ... + T₆₅₆.

45562440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45562427) and next prime (45562453).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45562398 and 45562407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6775 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (1331640).

Almost surely, 2^45562440 is an apocalyptic number.

45562440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45562440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85224960).

45562440 is an abundant number, since it is smaller than the sum of its proper divisors (124887480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45562440 is a wasteful number, since it uses less digits than its factorization.

45562440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963 (or 4959 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 45562440 is about 6749.9955555541. The cubic root of 45562440 is about 357.1650799124.

Adding to 45562440 its reverse (4426554), we get a palindrome (49988994).

It can be divided in two parts, 4556 and 2440, that added together give a palindrome (6996).

The spelling of 45562440 in words is "forty-five million, five hundred sixty-two thousand, four hundred forty".