40657474 has 16 divisors (see below), whose sum is σ = 71648640. Its totient is φ = 17058960.

The previous prime is 40657471. The next prime is 40657483. The reversal of 40657474 is 47475604.

It is not an unprimeable number, because it can be changed into a prime (40657471) 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, 70794 + ... + 71365.

It is an arithmetic number, because the mean of its divisors is an integer number (4478040).

Almost surely, 2^40657474 is an apocalyptic number.

40657474 is a deficient number, since it is larger than the sum of its proper divisors (30991166).

40657474 is a wasteful number, since it uses less digits than its factorization.

40657474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142185.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 40657474 is about 6376.3213532569. The cubic root of 40657474 is about 343.8587902936.

The spelling of 40657474 in words is "forty million, six hundred fifty-seven thousand, four hundred seventy-four".