44645207040 has 528 divisors, whose sum is σ = 179771142720. Its totient is φ = 10032906240.

The previous prime is 44645207021. The next prime is 44645207051. The reversal of 44645207040 is 4070254644.

44645207040 is a `hidden beast` number, since 4 + 4 + 64 + 520 + 70 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 44645206986 and 44645207004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19675026 + ... + 19677294.

Almost surely, 2^44645207040 is an apocalyptic number.

44645207040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44645207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89885571360).

44645207040 is an abundant number, since it is smaller than the sum of its proper divisors (135125935680).

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

44645207040 is a wasteful number, since it uses less digits than its factorization.

44645207040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 44645207040 in words is "forty-four billion, six hundred forty-five million, two hundred seven thousand, forty".