45781212316 has 48 divisors (see below), whose sum is σ = 96617041920. Its totient is φ = 18556560000.

The previous prime is 45781212311. The next prime is 45781212371. The reversal of 45781212316 is 61321218754.

45781212316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45781212316² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45781212311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342060 + ... + 456691.

It is an arithmetic number, because the mean of its divisors is an integer number (2012855040).

Almost surely, 2^45781212316 is an apocalyptic number.

45781212316 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

45781212316 is an abundant number, since it is smaller than the sum of its proper divisors (50835829604).

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

45781212316 is a wasteful number, since it uses less digits than its factorization.

45781212316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798874 (or 798872 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 45781212316 in words is "forty-five billion, seven hundred eighty-one million, two hundred twelve thousand, three hundred sixteen".