398826207140 has 24 divisors (see below), whose sum is σ = 837954096000. Its totient is φ = 159450661728.

The previous prime is 398826207121. The next prime is 398826207167. The reversal of 398826207140 is 41702628893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947842 + ... + 5027801.

It is an arithmetic number, because the mean of its divisors is an integer number (34914754000).

Almost surely, 2^398826207140 is an apocalyptic number.

It is an amenable number.

398826207140 is an abundant number, since it is smaller than the sum of its proper divisors (439127888860).

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

398826207140 is a wasteful number, since it uses less digits than its factorization.

398826207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977651 (or 9977649 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 398826207140 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, two hundred seven thousand, one hundred forty".