398445454120 has 96 divisors (see below), whose sum is σ = 1055435119200. Its totient is φ = 134963912832.

The previous prime is 398445454081. The next prime is 398445454153. The reversal of 398445454120 is 21454544893.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061950 + ... + 1387309.

It is an arithmetic number, because the mean of its divisors is an integer number (10994115825).

Almost surely, 2^398445454120 is an apocalyptic number.

It is an amenable number.

398445454120 is an abundant number, since it is smaller than the sum of its proper divisors (656989665080).

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

398445454120 is a wasteful number, since it uses less digits than its factorization.

398445454120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449367 (or 2449356 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 398445454120 in words is "three hundred ninety-eight billion, four hundred forty-five million, four hundred fifty-four thousand, one hundred twenty".