40722957 has 24 divisors (see below), whose sum is σ = 64384320. Its totient is φ = 24598080.

The previous prime is 40722943. The next prime is 40722959. The reversal of 40722957 is 75922704.

It is not a de Polignac number, because 40722957 - 2⁶ = 40722893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40722959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42993 + ... + 43929.

It is an arithmetic number, because the mean of its divisors is an integer number (2682680).

Almost surely, 2^40722957 is an apocalyptic number.

It is an amenable number.

40722957 is a deficient number, since it is larger than the sum of its proper divisors (23661363).

40722957 is a wasteful number, since it uses less digits than its factorization.

40722957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40722957 is about 6381.4541446288. The cubic root of 40722957 is about 344.0432977996.

The spelling of 40722957 in words is "forty million, seven hundred twenty-two thousand, nine hundred fifty-seven".