398878149004 has 24 divisors (see below), whose sum is σ = 705023877600. Its totient is φ = 197443180800.

The previous prime is 398878148927. The next prime is 398878149011. The reversal of 398878149004 is 400941878893.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108777 + ... + 4204735.

It is an arithmetic number, because the mean of its divisors is an integer number (29375994900).

Almost surely, 2^398878149004 is an apocalyptic number.

It is an amenable number.

398878149004 is a deficient number, since it is larger than the sum of its proper divisors (306145728596).

398878149004 is a wasteful number, since it uses less digits than its factorization.

398878149004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106353 (or 106351 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 398878149004 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, one hundred forty-nine thousand, four".