45619516800 has 1728 divisors, whose sum is σ = 206656304400. Its totient is φ = 9488793600.

The previous prime is 45619516783. The next prime is 45619516879. The reversal of 45619516800 is 861591654.

45619516800 is a `hidden beast` number, since 4 + 56 + 1 + 9 + 516 + 80 + 0 = 666.

It is a super-2 number, since 2×45619516800² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 860745574 + ... + 860745626.

Almost surely, 2^45619516800 is an apocalyptic number.

45619516800 is a gapful number since it is divisible by the number (40) 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 45619516800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103328152200).

45619516800 is an abundant number, since it is smaller than the sum of its proper divisors (161036787600).

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

45619516800 is a wasteful number, since it uses less digits than its factorization.

45619516800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 45619516800 in words is "forty-five billion, six hundred nineteen million, five hundred sixteen thousand, eight hundred".