45401253634816 has 72 divisors (see below), whose sum is σ = 92354930347680. Its totient is φ = 22267521908736.

The previous prime is 45401253634801. The next prime is 45401253634819. The reversal of 45401253634816 is 61843635210454.

It is a super-2 number, since 2×45401253634816² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45401253634819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63127096 + ... + 63842248.

It is an arithmetic number, because the mean of its divisors is an integer number (1282707365940).

Almost surely, 2^{45401253634816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45401253634816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46177465173840).

45401253634816 is an abundant number, since it is smaller than the sum of its proper divisors (46953676712864).

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

45401253634816 is an equidigital number, since it uses as much as digits as its factorization.

45401253634816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719901 (or 719887 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 45401253634816 in words is "forty-five trillion, four hundred one billion, two hundred fifty-three million, six hundred thirty-four thousand, eight hundred sixteen".