6157420456 has 16 divisors (see below), whose sum is σ = 12594723840. Its totient is φ = 2798827440.

The previous prime is 6157420439. The next prime is 6157420499. The reversal of 6157420456 is 6540247516.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34985256 + ... + 34985431.

It is an arithmetic number, because the mean of its divisors is an integer number (787170240).

Almost surely, 2^6157420456 is an apocalyptic number.

It is an amenable number.

6157420456 is an abundant number, since it is smaller than the sum of its proper divisors (6437303384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6157420456 is a wasteful number, since it uses less digits than its factorization.

6157420456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69970704 (or 69970700 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 6157420456 is about 78469.2325437174. The cubic root of 6157420456 is about 1832.8753762001.

The spelling of 6157420456 in words is "six billion, one hundred fifty-seven million, four hundred twenty thousand, four hundred fifty-six".