45074738820 has 96 divisors (see below), whose sum is σ = 129937876992. Its totient is φ = 11668261248.

The previous prime is 45074738809. The next prime is 45074738837. The reversal of 45074738820 is 2883747054.

It is a self number, because there is not a number n which added to its sum of digits gives 45074738820.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366949 + ... + 474131.

It is an arithmetic number, because the mean of its divisors is an integer number (1353519552).

Almost surely, 2^45074738820 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 45074738820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64968938496).

45074738820 is an abundant number, since it is smaller than the sum of its proper divisors (84863138172).

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

45074738820 is a wasteful number, since it uses less digits than its factorization.

45074738820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107401 (or 107399 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 45074738820 in words is "forty-five billion, seventy-four million, seven hundred thirty-eight thousand, eight hundred twenty".