400132742057 has 16 divisors (see below), whose sum is σ = 446749617600. Its totient is φ = 356149716480.

The previous prime is 400132742039. The next prime is 400132742083. The reversal of 400132742057 is 750247231004.

It is not a de Polignac number, because 400132742057 - 2¹⁴ = 400132725673 is a prime.

It is a super-2 number, since 2×400132742057² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400132742027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900332 + ... + 1269197.

It is an arithmetic number, because the mean of its divisors is an integer number (27921851100).

Almost surely, 2^400132742057 is an apocalyptic number.

It is an amenable number.

400132742057 is a deficient number, since it is larger than the sum of its proper divisors (46616875543).

400132742057 is a wasteful number, since it uses less digits than its factorization.

400132742057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170136.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 400132742057 in words is "four hundred billion, one hundred thirty-two million, seven hundred forty-two thousand, fifty-seven".