44979739398 has 128 divisors (see below), whose sum is σ = 110889699840. Its totient is φ = 13400069760.

The previous prime is 44979739373. The next prime is 44979739403. The reversal of 44979739398 is 89393797944.

It is a happy number.

44979739398 is a `hidden beast` number, since 449 + 7 + 9 + 7 + 3 + 93 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30126340 + ... + 30127832.

It is an arithmetic number, because the mean of its divisors is an integer number (866325780).

Almost surely, 2^44979739398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44979739398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55444849920).

44979739398 is an abundant number, since it is smaller than the sum of its proper divisors (65909960442).

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

44979739398 is a wasteful number, since it uses less digits than its factorization.

44979739398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2333 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 44979739398 in words is "forty-four billion, nine hundred seventy-nine million, seven hundred thirty-nine thousand, three hundred ninety-eight".