245556888890 has 32 divisors (see below), whose sum is σ = 443650162176. Its totient is φ = 97856911360.

The previous prime is 245556888887. The next prime is 245556889021. The reversal of 245556888890 is 98888655542.

It is a self number, because there is not a number n which added to its sum of digits gives 245556888890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6396794 + ... + 6435066.

It is an arithmetic number, because the mean of its divisors is an integer number (13864067568).

Almost surely, 2^245556888890 is an apocalyptic number.

245556888890 is a deficient number, since it is larger than the sum of its proper divisors (198093273286).

245556888890 is a wasteful number, since it uses less digits than its factorization.

245556888890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40654.

The product of its (nonzero) digits is 221184000, while the sum is 68.

The spelling of 245556888890 in words is "two hundred forty-five billion, five hundred fifty-six million, eight hundred eighty-eight thousand, eight hundred ninety".