455670256557 has 8 divisors (see below), whose sum is σ = 615883086784. Its totient is φ = 299618798688.

The previous prime is 455670256537. The next prime is 455670256571. The reversal of 455670256557 is 755652076554.

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

It is not a de Polignac number, because 455670256557 - 2⁶ = 455670256493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 455670256497 and 455670256506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455670256537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040342833 + ... + 1040343270.

It is an arithmetic number, because the mean of its divisors is an integer number (76985385848).

Almost surely, 2^455670256557 is an apocalyptic number.

It is an amenable number.

455670256557 is a deficient number, since it is larger than the sum of its proper divisors (160212830227).

455670256557 is a wasteful number, since it uses less digits than its factorization.

455670256557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080686179.

The product of its (nonzero) digits is 44100000, while the sum is 57.

The spelling of 455670256557 in words is "four hundred fifty-five billion, six hundred seventy million, two hundred fifty-six thousand, five hundred fifty-seven".