442403520155398 has 16 divisors (see below), whose sum is σ = 686704030151760. Its totient is φ = 213506972532000.

The previous prime is 442403520155371. The next prime is 442403520155477. The reversal of 442403520155398 is 893551025304244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198754028 + ... + 1199123023.

It is an arithmetic number, because the mean of its divisors is an integer number (42919001884485).

Almost surely, 2^{442403520155398} is an apocalyptic number.

442403520155398 is a deficient number, since it is larger than the sum of its proper divisors (244300509996362).

442403520155398 is a wasteful number, since it uses less digits than its factorization.

442403520155398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397880263.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 442403520155398 in words is "four hundred forty-two trillion, four hundred three billion, five hundred twenty million, one hundred fifty-five thousand, three hundred ninety-eight".