40972057 has 16 divisors (see below), whose sum is σ = 49956480. Its totient is φ = 32802048.

The previous prime is 40972051. The next prime is 40972069. The reversal of 40972057 is 75027904.

40972057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40972057 - 2¹⁵ = 40939289 is a prime.

It is a super-2 number, since 2×40972057² = 3357418909622498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40972051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15303 + ... + 17779.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 2^40972057 is an apocalyptic number.

It is an amenable number.

40972057 is a deficient number, since it is larger than the sum of its proper divisors (8984423).

40972057 is a wasteful number, since it uses less digits than its factorization.

40972057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 40972057 is about 6400.9418838168. The cubic root of 40972057 is about 344.7433700284.

The spelling of 40972057 in words is "forty million, nine hundred seventy-two thousand, fifty-seven".