40727668570 has 32 divisors (see below), whose sum is σ = 79515381456. Its totient is φ = 14958796800.

The previous prime is 40727668567. The next prime is 40727668571. The reversal of 40727668570 is 7586672704.

It can be written as a sum of positive squares in 8 ways, for example, as 24592826041 + 16134842529 = 156821^2 + 127023^2 .

It is not an unprimeable number, because it can be changed into a prime (40727668571) 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, 2914671 + ... + 2928610.

Almost surely, 2^40727668570 is an apocalyptic number.

40727668570 is a deficient number, since it is larger than the sum of its proper divisors (38787712886).

40727668570 is a wasteful number, since it uses less digits than its factorization.

40727668570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843346.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 40727668570 in words is "forty billion, seven hundred twenty-seven million, six hundred sixty-eight thousand, five hundred seventy".