40657368 has 32 divisors (see below), whose sum is σ = 104924160. Its totient is φ = 13115040.

The previous prime is 40657343. The next prime is 40657411. The reversal of 40657368 is 86375604.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26580 + ... + 28067.

It is an arithmetic number, because the mean of its divisors is an integer number (3278880).

Almost surely, 2^40657368 is an apocalyptic number.

It is an amenable number.

40657368 is an abundant number, since it is smaller than the sum of its proper divisors (64266792).

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

40657368 is a wasteful number, since it uses less digits than its factorization.

40657368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54687 (or 54683 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 40657368 is about 6376.3130412488. The cubic root of 40657368 is about 343.8584914632.

The spelling of 40657368 in words is "forty million, six hundred fifty-seven thousand, three hundred sixty-eight".