40200957 has 6 divisors (see below), whose sum is σ = 58068062. Its totient is φ = 26800632.

The previous prime is 40200947. The next prime is 40200983. The reversal of 40200957 is 75900204.

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 8964036 = 5589^2 + 2994^2 .

It is not a de Polignac number, because 40200957 - 2¹² = 40196861 is a prime.

It is a super-2 number, since 2×40200957² = 3232233887431698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40200957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200917) 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, 2233378 + ... + 2233395.

Almost surely, 2^40200957 is an apocalyptic number.

It is an amenable number.

40200957 is a deficient number, since it is larger than the sum of its proper divisors (17867105).

40200957 is a wasteful number, since it uses less digits than its factorization.

40200957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466779 (or 4466776 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 40200957 is about 6340.4224622654. The cubic root of 40200957 is about 342.5669522974.

The spelling of 40200957 in words is "forty million, two hundred thousand, nine hundred fifty-seven".