40030152557 has 2 divisors, whose sum is σ = 40030152558. Its totient is φ = 40030152556.

The previous prime is 40030152529. The next prime is 40030152599. The reversal of 40030152557 is 75525103004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22649949001 + 17380203556 = 150499^2 + 131834^2 .

It is a cyclic number.

It is not a de Polignac number, because 40030152557 - 2⁸ = 40030152301 is a prime.

It is a super-2 number, since 2×40030152557² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40030152457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015076278 + 20015076279.

It is an arithmetic number, because the mean of its divisors is an integer number (20015076279).

Almost surely, 2^40030152557 is an apocalyptic number.

It is an amenable number.

40030152557 is a deficient number, since it is larger than the sum of its proper divisors (1).

40030152557 is an equidigital number, since it uses as much as digits as its factorization.

40030152557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 40030152557 in words is "forty billion, thirty million, one hundred fifty-two thousand, five hundred fifty-seven".