4978081799040 has 2048 divisors, whose sum is σ = 20558499840000. Its totient is φ = 998642810880.

The previous prime is 4978081799039. The next prime is 4978081799069. The reversal of 4978081799040 is 409971808794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33409944886 + ... + 33409945034.

It is an arithmetic number, because the mean of its divisors is an integer number (10038330000).

Almost surely, 2^{4978081799040} is an apocalyptic number.

4978081799040 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 4978081799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10279249920000).

4978081799040 is an abundant number, since it is smaller than the sum of its proper divisors (15580418040960).

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

4978081799040 is a wasteful number, since it uses less digits than its factorization.

4978081799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 66.

The spelling of 4978081799040 in words is "four trillion, nine hundred seventy-eight billion, eighty-one million, seven hundred ninety-nine thousand, forty".