4974896478440 has 384 divisors, whose sum is σ = 14541422486400. Its totient is φ = 1517833175040.

The previous prime is 4974896478427. The next prime is 4974896478479. The reversal of 4974896478440 is 448746984794.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 329827139 + ... + 329842221.

It is an arithmetic number, because the mean of its divisors is an integer number (37868287725).

Almost surely, 2^{4974896478440} is an apocalyptic number.

4974896478440 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 4974896478440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7270711243200).

4974896478440 is an abundant number, since it is smaller than the sum of its proper divisors (9566526007960).

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

4974896478440 is a wasteful number, since it uses less digits than its factorization.

4974896478440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665 (or 15654 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 74.

The spelling of 4974896478440 in words is "four trillion, nine hundred seventy-four billion, eight hundred ninety-six million, four hundred seventy-eight thousand, four hundred forty".