45179866368 has 864 divisors, whose sum is σ = 173992605696. Its totient is φ = 11364655104.

The previous prime is 45179866273. The next prime is 45179866409. The reversal of 45179866368 is 86366897154.

45179866368 is a `hidden beast` number, since 4 + 517 + 9 + 86 + 6 + 36 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-2 number, since 2×45179866368² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 130201171 + ... + 130201517.

Almost surely, 2^45179866368 is an apocalyptic number.

45179866368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45179866368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86996302848).

45179866368 is an abundant number, since it is smaller than the sum of its proper divisors (128812739328).

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

45179866368 is a wasteful number, since it uses less digits than its factorization.

45179866368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 395 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 45179866368 in words is "forty-five billion, one hundred seventy-nine million, eight hundred sixty-six thousand, three hundred sixty-eight".