428056025475 has 24 divisors (see below), whose sum is σ = 762159242992. Its totient is φ = 210735273600.

The previous prime is 428056025461. The next prime is 428056025531. The reversal of 428056025475 is 574520650824.

It is not a de Polignac number, because 428056025475 - 2⁴ = 428056025459 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219514936 + ... + 219516885.

Almost surely, 2^428056025475 is an apocalyptic number.

428056025475 is a deficient number, since it is larger than the sum of its proper divisors (334103217517).

428056025475 is a wasteful number, since it uses less digits than its factorization.

428056025475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439031847 (or 439031842 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 428056025475 in words is "four hundred twenty-eight billion, fifty-six million, twenty-five thousand, four hundred seventy-five".