6402000157 has 8 divisors (see below), whose sum is σ = 7319209856. Its totient is φ = 5485450032.

The previous prime is 6402000151. The next prime is 6402000161. The reversal of 6402000157 is 7510002046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6402000157 - 2³ = 6402000149 is a prime.

It is the 80013-rd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402000151) by changing a digit.

It is a nontrivial repunit in base 80012.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143913 + ... + 183070.

It is an arithmetic number, because the mean of its divisors is an integer number (914901232).

Almost surely, 2^6402000157 is an apocalyptic number.

It is an amenable number.

6402000157 is a deficient number, since it is larger than the sum of its proper divisors (917209699).

6402000157 is a wasteful number, since it uses less digits than its factorization.

6402000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329787.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6402000157 is about 80012.5000046868. The cubic root of 6402000157 is about 1856.8289280163.

The spelling of 6402000157 in words is "six billion, four hundred two million, one hundred fifty-seven", and thus it is an aban number.