290748454140 has 24 divisors (see below), whose sum is σ = 814095671760. Its totient is φ = 77532921088.

The previous prime is 290748454133. The next prime is 290748454153. The reversal of 290748454140 is 41454847092.

It is a self number, because there is not a number n which added to its sum of digits gives 290748454140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422903725 + ... + 2422903844.

It is an arithmetic number, because the mean of its divisors is an integer number (33920652990).

Almost surely, 2^290748454140 is an apocalyptic number.

290748454140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290748454140 is an abundant number, since it is smaller than the sum of its proper divisors (523347217620).

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

290748454140 is a wasteful number, since it uses less digits than its factorization.

290748454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845807581 (or 4845807579 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 290748454140 in words is "two hundred ninety billion, seven hundred forty-eight million, four hundred fifty-four thousand, one hundred forty".