45201720004 has 24 divisors (see below), whose sum is σ = 90488068160. Its totient is φ = 19354031136.

The previous prime is 45201719977. The next prime is 45201720007. The reversal of 45201720004 is 40002710254.

It is not an unprimeable number, because it can be changed into a prime (45201720007) 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, 725142 + ... + 785005.

Almost surely, 2^45201720004 is an apocalyptic number.

It is an amenable number.

45201720004 is an abundant number, since it is smaller than the sum of its proper divisors (45286348156).

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

45201720004 is a wasteful number, since it uses less digits than its factorization.

45201720004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511227 (or 1511225 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The spelling of 45201720004 in words is "forty-five billion, two hundred one million, seven hundred twenty thousand, four".