40992957 has 6 divisors (see below), whose sum is σ = 59212062. Its totient is φ = 27328632.

The previous prime is 40992949. The next prime is 40993063. The reversal of 40992957 is 75929904.

It can be written as a sum of positive squares in only one way, i.e., 22382361 + 18610596 = 4731^2 + 4314^2 .

It is not a de Polignac number, because 40992957 - 2³ = 40992949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40992947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2277378 + ... + 2277395.

It is an arithmetic number, because the mean of its divisors is an integer number (9868677).

Almost surely, 2^40992957 is an apocalyptic number.

It is an amenable number.

40992957 is a deficient number, since it is larger than the sum of its proper divisors (18219105).

40992957 is a wasteful number, since it uses less digits than its factorization.

40992957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554779 (or 4554776 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 40992957 is about 6402.5742479100. The cubic root of 40992957 is about 344.8019783596.

It can be divided in two parts, 4099 and 2957, that added together give a square (7056 = 84²).

The spelling of 40992957 in words is "forty million, nine hundred ninety-two thousand, nine hundred fifty-seven".