398924100542 has 8 divisors (see below), whose sum is σ = 652784891832. Its totient is φ = 181329136600.

The previous prime is 398924100467. The next prime is 398924100557. The reversal of 398924100542 is 245001429893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9066456809 + ... + 9066456852.

It is an arithmetic number, because the mean of its divisors is an integer number (81598111479).

Almost surely, 2^398924100542 is an apocalyptic number.

398924100542 is a deficient number, since it is larger than the sum of its proper divisors (253860791290).

398924100542 is a wasteful number, since it uses less digits than its factorization.

398924100542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18132913674.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 398924100542 in words is "three hundred ninety-eight billion, nine hundred twenty-four million, one hundred thousand, five hundred forty-two".