45650640 has 160 divisors (see below), whose sum is σ = 167489280. Its totient is φ = 10063872.

The previous prime is 45650621. The next prime is 45650641. The reversal of 45650640 is 4605654.

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 = 45650598 and 45650607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45650641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48252 + ... + 49188.

It is an arithmetic number, because the mean of its divisors is an integer number (1046808).

Almost surely, 2^45650640 is an apocalyptic number.

45650640 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 45650640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83744640).

45650640 is an abundant number, since it is smaller than the sum of its proper divisors (121838640).

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

45650640 is a wasteful number, since it uses less digits than its factorization.

45650640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 45650640 is about 6756.5257344289. The cubic root of 45650640 is about 357.3953986769.

The spelling of 45650640 in words is "forty-five million, six hundred fifty thousand, six hundred forty".