45921790080 has 384 divisors, whose sum is σ = 173113012800. Its totient is φ = 11600547840.

The previous prime is 45921790049. The next prime is 45921790097. The reversal of 45921790080 is 8009712954.

It is a tau number, because it is divible by the number of its divisors (384).

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 47 ways as a sum of consecutive naturals, for example, 2947110 + ... + 2962650.

Almost surely, 2^45921790080 is an apocalyptic number.

45921790080 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 45921790080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86556506400).

45921790080 is an abundant number, since it is smaller than the sum of its proper divisors (127191222720).

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

45921790080 is a wasteful number, since it uses less digits than its factorization.

45921790080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594 (or 15570 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 45921790080 in words is "forty-five billion, nine hundred twenty-one million, seven hundred ninety thousand, eighty".