1173400522398 has 48 divisors (see below), whose sum is σ = 2738577638160. Its totient is φ = 360961512192.

The previous prime is 1173400522381. The next prime is 1173400522423. The reversal of 1173400522398 is 8932250043711.

It is a happy number.

1173400522398 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 400 + 5 + 2 + 239 + 8 = 666.

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, 413113 + ... + 1586651.

It is an arithmetic number, because the mean of its divisors is an integer number (57053700795).

Almost surely, 2^{1173400522398} is an apocalyptic number.

1173400522398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1173400522398 is an abundant number, since it is smaller than the sum of its proper divisors (1565177115762).

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

1173400522398 is a wasteful number, since it uses less digits than its factorization.

1173400522398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177833 (or 1177830 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1173400522398 in words is "one trillion, one hundred seventy-three billion, four hundred million, five hundred twenty-two thousand, three hundred ninety-eight".