40857976 has 16 divisors (see below), whose sum is σ = 78477840. Its totient is φ = 19930560.

The previous prime is 40857967. The next prime is 40857977. The reversal of 40857976 is 67975804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40857977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61956 + ... + 62611.

It is an arithmetic number, because the mean of its divisors is an integer number (4904865).

Almost surely, 2^40857976 is an apocalyptic number.

It is an amenable number.

40857976 is a deficient number, since it is larger than the sum of its proper divisors (37619864).

40857976 is a wasteful number, since it uses less digits than its factorization.

40857976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124614 (or 124610 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 40857976 is about 6392.0244054603. The cubic root of 40857976 is about 344.4231092655.

The spelling of 40857976 in words is "forty million, eight hundred fifty-seven thousand, nine hundred seventy-six".