39045402 has 40 divisors (see below), whose sum is σ = 95448672. Its totient is φ = 11831400.

The previous prime is 39045371. The next prime is 39045427. The reversal of 39045402 is 20454093.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9174 + ... + 12737.

Almost surely, 2^39045402 is an apocalyptic number.

39045402 is an abundant number, since it is smaller than the sum of its proper divisors (56403270).

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

39045402 is a wasteful number, since it uses less digits than its factorization.

39045402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21936 (or 21927 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 39045402 is about 6248.6320102883. The cubic root of 39045402 is about 339.2526896631.

Adding to 39045402 its reverse (20454093), we get a palindrome (59499495).

The spelling of 39045402 in words is "thirty-nine million, forty-five thousand, four hundred two".