40177135357 has 2 divisors, whose sum is σ = 40177135358. Its totient is φ = 40177135356.

The previous prime is 40177135291. The next prime is 40177135367. The reversal of 40177135357 is 75353177104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31020367876 + 9156767481 = 176126^2 + 95691^2 .

It is a cyclic number.

It is not a de Polignac number, because 40177135357 - 2³⁵ = 5817396989 is a prime.

It is a super-2 number, since 2×40177135357² (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 (40177135367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20088567678 + 20088567679.

It is an arithmetic number, because the mean of its divisors is an integer number (20088567679).

Almost surely, 2^40177135357 is an apocalyptic number.

It is an amenable number.

40177135357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40177135357 is an equidigital number, since it uses as much as digits as its factorization.

40177135357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 40177135357 in words is "forty billion, one hundred seventy-seven million, one hundred thirty-five thousand, three hundred fifty-seven".