402545661327359 has 16 divisors (see below), whose sum is σ = 461497980071040. Its totient is φ = 347779578252960.

The previous prime is 402545661327247. The next prime is 402545661327391. The reversal of 402545661327359 is 953723166545204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402545661327359 is a prime.

It is a super-2 number, since 2×402545661327359² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402545661327659) 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, 11500629929 + ... + 11500664930.

It is an arithmetic number, because the mean of its divisors is an integer number (28843623754440).

Almost surely, 2^{402545661327359} is an apocalyptic number.

402545661327359 is a deficient number, since it is larger than the sum of its proper divisors (58952318743681).

402545661327359 is a wasteful number, since it uses less digits than its factorization.

402545661327359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23001294950.

The product of its (nonzero) digits is 163296000, while the sum is 62.

The spelling of 402545661327359 in words is "four hundred two trillion, five hundred forty-five billion, six hundred sixty-one million, three hundred twenty-seven thousand, three hundred fifty-nine".