44979978240 has 608 divisors, whose sum is σ = 169114014720. Its totient is φ = 11324620800.

The previous prime is 44979978223. The next prime is 44979978283. The reversal of 44979978240 is 4287997944.

44979978240 is a `hidden beast` number, since 449 + 79 + 9 + 7 + 82 + 40 = 666.

It is a congruent number.

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, 1097072620 + ... + 1097072660.

Almost surely, 2^44979978240 is an apocalyptic number.

44979978240 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 44979978240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84557007360).

44979978240 is an abundant number, since it is smaller than the sum of its proper divisors (124134036480).

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

44979978240 is an frugal number, since it uses more digits than its factorization.

44979978240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 44979978240 in words is "forty-four billion, nine hundred seventy-nine million, nine hundred seventy-eight thousand, two hundred forty".