40125462057 has 12 divisors (see below), whose sum is σ = 57990168964. Its totient is φ = 26735922720.

The previous prime is 40125462007. The next prime is 40125462073. The reversal of 40125462057 is 75026452104.

It is a happy number.

40125462057 is a `hidden beast` number, since 4 + 0 + 1 + 25 + 4 + 620 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 232989696 + 39892472361 = 15264^2 + 199731^2 .

It is not a de Polignac number, because 40125462057 - 2⁶ = 40125461993 is a prime.

It is a super-2 number, since 2×40125462057² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40125462007) 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, 1181098 + ... + 1214595.

Almost surely, 2^40125462057 is an apocalyptic number.

It is an amenable number.

40125462057 is a deficient number, since it is larger than the sum of its proper divisors (17864706907).

40125462057 is a wasteful number, since it uses less digits than its factorization.

40125462057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397560 (or 2397557 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 40125462057 in words is "forty billion, one hundred twenty-five million, four hundred sixty-two thousand, fifty-seven".