398857853559150 has 144 divisors (see below), whose sum is σ = 1138729437325584. Its totient is φ = 99744108272640.

The previous prime is 398857853559107. The next prime is 398857853559169. The reversal of 398857853559150 is 51955358758893.

398857853559150 is a `hidden beast` number, since 3 + 9 + 8 + 8 + 5 + 7 + 8 + 5 + 3 + 559 + 1 + 50 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 398857853559150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 91993372 + ... + 96231471.

It is an arithmetic number, because the mean of its divisors is an integer number (7907843314761).

Almost surely, 2^{398857853559150} is an apocalyptic number.

398857853559150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398857853559150 is an abundant number, since it is smaller than the sum of its proper divisors (739871583766434).

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

398857853559150 is a wasteful number, since it uses less digits than its factorization.

398857853559150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188225155 (or 188225147 counting only the distinct ones).

The product of its (nonzero) digits is 8164800000, while the sum is 81.

The spelling of 398857853559150 in words is "three hundred ninety-eight trillion, eight hundred fifty-seven billion, eight hundred fifty-three million, five hundred fifty-nine thousand, one hundred fifty".