40860657 has 12 divisors (see below), whose sum is σ = 59090304. Its totient is φ = 27208440.

The previous prime is 40860647. The next prime is 40860683. The reversal of 40860657 is 75606804.

It is a happy number.

40860657 is a `hidden beast` number, since 40 + 8 + 606 + 5 + 7 = 666.

It is not a de Polignac number, because 40860657 - 2¹⁴ = 40844273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40860607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7432 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (4924192).

Almost surely, 2^40860657 is an apocalyptic number.

It is an amenable number.

40860657 is a deficient number, since it is larger than the sum of its proper divisors (18229647).

40860657 is a wasteful number, since it uses less digits than its factorization.

40860657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 40860657 is about 6392.2341164885. The cubic root of 40860657 is about 344.4306425001.

The spelling of 40860657 in words is "forty million, eight hundred sixty thousand, six hundred fifty-seven".