398450110870 has 32 divisors (see below), whose sum is σ = 822145188096. Its totient is φ = 136198735200.

The previous prime is 398450110847. The next prime is 398450110901. The reversal of 398450110870 is 78011054893.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 398450110870.

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, 8575236 + ... + 8621575.

It is an arithmetic number, because the mean of its divisors is an integer number (25692037128).

Almost surely, 2^398450110870 is an apocalyptic number.

398450110870 is an abundant number, since it is smaller than the sum of its proper divisors (423695077226).

398450110870 is a wasteful number, since it uses less digits than its factorization.

398450110870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17197156.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 398450110870 in words is "three hundred ninety-eight billion, four hundred fifty million, one hundred ten thousand, eight hundred seventy".