45370040 has 32 divisors (see below), whose sum is σ = 104258880. Its totient is φ = 17761152.

The previous prime is 45370037. The next prime is 45370049. The reversal of 45370040 is 4007354.

It is a junction number, because it is equal to n+sod(n) for n = 45369988 and 45370015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45370049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10187 + ... + 13946.

It is an arithmetic number, because the mean of its divisors is an integer number (3258090).

Almost surely, 2^45370040 is an apocalyptic number.

45370040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45370040 is an abundant number, since it is smaller than the sum of its proper divisors (58888840).

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

45370040 is a wasteful number, since it uses less digits than its factorization.

45370040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24191 (or 24187 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45370040 is about 6735.7286168610. The cubic root of 45370040 is about 356.6616278245.

Adding to 45370040 its reverse (4007354), we get a palindrome (49377394).

The spelling of 45370040 in words is "forty-five million, three hundred seventy thousand, forty".