40452164 has 24 divisors (see below), whose sum is σ = 72803808. Its totient is φ = 19656000.

The previous prime is 40452161. The next prime is 40452169. The reversal of 40452164 is 46125404.

It is not an unprimeable number, because it can be changed into a prime (40452161) 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, 42704 + ... + 43640.

It is an arithmetic number, because the mean of its divisors is an integer number (3033492).

Almost surely, 2^40452164 is an apocalyptic number.

It is an amenable number.

40452164 is a deficient number, since it is larger than the sum of its proper divisors (32351644).

40452164 is a wasteful number, since it uses less digits than its factorization.

40452164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40452164 is about 6360.2015691329. The cubic root of 40452164 is about 343.2790132012.

Adding to 40452164 its reverse (46125404), we get a palindrome (86577568).

The spelling of 40452164 in words is "forty million, four hundred fifty-two thousand, one hundred sixty-four".