45115550620 has 96 divisors (see below), whose sum is σ = 110375032320. Its totient is φ = 15171398400.

The previous prime is 45115550581. The next prime is 45115550629. The reversal of 45115550620 is 2605551154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45115550629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1498071 + ... + 1527889.

It is an arithmetic number, because the mean of its divisors is an integer number (1149739920).

Almost surely, 2^45115550620 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 45115550620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55187516160).

45115550620 is an abundant number, since it is smaller than the sum of its proper divisors (65259481700).

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

45115550620 is a wasteful number, since it uses less digits than its factorization.

45115550620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30043 (or 30041 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 45115550620 in words is "forty-five billion, one hundred fifteen million, five hundred fifty thousand, six hundred twenty".