398922147455 has 32 divisors (see below), whose sum is σ = 527030993664. Its totient is φ = 288029431296.

The previous prime is 398922147433. The next prime is 398922147461. The reversal of 398922147455 is 554741229893.

It is a cyclic number.

It is not a de Polignac number, because 398922147455 - 2⁸ = 398922147199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398922147394 and 398922147403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2980349 + ... + 3111321.

It is an arithmetic number, because the mean of its divisors is an integer number (16469718552).

Almost surely, 2^398922147455 is an apocalyptic number.

398922147455 is a deficient number, since it is larger than the sum of its proper divisors (128108846209).

398922147455 is a wasteful number, since it uses less digits than its factorization.

398922147455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132035.

The product of its digits is 21772800, while the sum is 59.

The spelling of 398922147455 in words is "three hundred ninety-eight billion, nine hundred twenty-two million, one hundred forty-seven thousand, four hundred fifty-five".