40050657 has 24 divisors (see below), whose sum is σ = 62184096. Its totient is φ = 24748416.

The previous prime is 40050631. The next prime is 40050679. The reversal of 40050657 is 75605004.

40050657 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 0 + 657 = 666.

It is not a de Polignac number, because 40050657 - 2⁷ = 40050529 is a prime.

It is a super-2 number, since 2×40050657² = 3208110252263298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40050657.

It is not an unprimeable number, because it can be changed into a prime (40050607) 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, 8298 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (2591004).

Almost surely, 2^40050657 is an apocalyptic number.

It is an amenable number.

40050657 is a deficient number, since it is larger than the sum of its proper divisors (22133439).

40050657 is a wasteful number, since it uses less digits than its factorization.

40050657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40050657 is about 6328.5588406840. The cubic root of 40050657 is about 342.1394988526.

The spelling of 40050657 in words is "forty million, fifty thousand, six hundred fifty-seven".