45512337420 has 432 divisors, whose sum is σ = 161357196000. Its totient is φ = 10346434560.

The previous prime is 45512337419. The next prime is 45512337467. The reversal of 45512337420 is 2473321554.

45512337420 is a `hidden beast` number, since 4 + 551 + 2 + 33 + 74 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 45105876 + ... + 45106884.

Almost surely, 2^45512337420 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 45512337420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80678598000).

45512337420 is an abundant number, since it is smaller than the sum of its proper divisors (115844858580).

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

45512337420 is a wasteful number, since it uses less digits than its factorization.

45512337420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 45512337420 its reverse (2473321554), we get a palindrome (47985658974).

The spelling of 45512337420 in words is "forty-five billion, five hundred twelve million, three hundred thirty-seven thousand, four hundred twenty".