40157127464 has 8 divisors (see below), whose sum is σ = 75294614010. Its totient is φ = 20078563728.

The previous prime is 40157127463. The next prime is 40157127467. The reversal of 40157127464 is 46472175104.

It can be written as a sum of positive squares in only one way, i.e., 29182888900 + 10974238564 = 170830^2 + 104758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40157127464² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40157127463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509820459 + ... + 2509820474.

Almost surely, 2^40157127464 is an apocalyptic number.

It is an amenable number.

40157127464 is a deficient number, since it is larger than the sum of its proper divisors (35137486546).

40157127464 is a wasteful number, since it uses less digits than its factorization.

40157127464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019640939 (or 5019640935 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 40157127464 in words is "forty billion, one hundred fifty-seven million, one hundred twenty-seven thousand, four hundred sixty-four".