4990820294040 has 256 divisors, whose sum is σ = 17257785937920. Its totient is φ = 1131014776320.

The previous prime is 4990820294003. The next prime is 4990820294041. The reversal of 4990820294040 is 404920280994.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990820294041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123554727 + ... + 123595113.

It is an arithmetic number, because the mean of its divisors is an integer number (67413226320).

Almost surely, 2^{4990820294040} is an apocalyptic number.

4990820294040 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 4990820294040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8628892968960).

4990820294040 is an abundant number, since it is smaller than the sum of its proper divisors (12266965643880).

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

4990820294040 is a wasteful number, since it uses less digits than its factorization.

4990820294040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41662 (or 41658 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 4990820294040 in words is "four trillion, nine hundred ninety billion, eight hundred twenty million, two hundred ninety-four thousand, forty".