245502197976 has 64 divisors (see below), whose sum is σ = 703055001600. Its totient is φ = 69981470208.

The previous prime is 245502197959. The next prime is 245502198031. The reversal of 245502197976 is 679791205542.

It is a super-2 number, since 2×245502197976² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1614696 + ... + 1760183.

It is an arithmetic number, because the mean of its divisors is an integer number (10985234400).

Almost surely, 2^245502197976 is an apocalyptic number.

It is an amenable number.

245502197976 is an abundant number, since it is smaller than the sum of its proper divisors (457552803624).

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

245502197976 is a wasteful number, since it uses less digits than its factorization.

245502197976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375328 (or 3375324 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 245502197976 in words is "two hundred forty-five billion, five hundred two million, one hundred ninety-seven thousand, nine hundred seventy-six".