402755445825 has 24 divisors (see below), whose sum is σ = 666620059776. Its totient is φ = 214567080000.

The previous prime is 402755445769. The next prime is 402755445857. The reversal of 402755445825 is 528544557204.

It is not a de Polignac number, because 402755445825 - 2²⁰ = 402754397249 is a prime.

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, 2879026 + ... + 3015675.

It is an arithmetic number, because the mean of its divisors is an integer number (27775835824).

Almost surely, 2^402755445825 is an apocalyptic number.

It is an amenable number.

402755445825 is a deficient number, since it is larger than the sum of its proper divisors (263864613951).

402755445825 is a wasteful number, since it uses less digits than its factorization.

402755445825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895625 (or 5895620 counting only the distinct ones).

The product of its (nonzero) digits is 8960000, while the sum is 51.

The spelling of 402755445825 in words is "four hundred two billion, seven hundred fifty-five million, four hundred forty-five thousand, eight hundred twenty-five".