45438364800 has 768 divisors, whose sum is σ = 173388902400. Its totient is φ = 11612160000.

The previous prime is 45438364729. The next prime is 45438364831. The reversal of 45438364800 is 846383454.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 357782337 + ... + 357782463.

It is an arithmetic number, because the mean of its divisors is an integer number (225766800).

Almost surely, 2^45438364800 is an apocalyptic number.

45438364800 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 45438364800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86694451200).

45438364800 is an abundant number, since it is smaller than the sum of its proper divisors (127950537600).

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

45438364800 is a wasteful number, since it uses less digits than its factorization.

45438364800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 45438364800 in words is "forty-five billion, four hundred thirty-eight million, three hundred sixty-four thousand, eight hundred".