45044340660 has 288 divisors, whose sum is σ = 152428977792. Its totient is φ = 10674293760.

The previous prime is 45044340631. The next prime is 45044340661. The reversal of 45044340660 is 6604344054.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044340661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36413562 + ... + 36414798.

It is an arithmetic number, because the mean of its divisors is an integer number (529267284).

Almost surely, 2^45044340660 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 45044340660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76214488896).

45044340660 is an abundant number, since it is smaller than the sum of its proper divisors (107384637132).

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

45044340660 is a wasteful number, since it uses less digits than its factorization.

45044340660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 45044340660 in words is "forty-five billion, forty-four million, three hundred forty thousand, six hundred sixty".