398484180342 has 48 divisors (see below), whose sum is σ = 895780830672. Its totient is φ = 132765557760.

The previous prime is 398484180313. The next prime is 398484180361. The reversal of 398484180342 is 243081484893.

398484180342 is a `hidden beast` number, since 398 + 48 + 4 + 180 + 34 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846742 + ... + 1230422.

It is an arithmetic number, because the mean of its divisors is an integer number (18662100639).

Almost surely, 2^398484180342 is an apocalyptic number.

398484180342 is an abundant number, since it is smaller than the sum of its proper divisors (497296650330).

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

398484180342 is a wasteful number, since it uses less digits than its factorization.

398484180342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385835 (or 385823 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 398484180342 in words is "three hundred ninety-eight billion, four hundred eighty-four million, one hundred eighty thousand, three hundred forty-two".