290738144420 has 24 divisors (see below), whose sum is σ = 630245269248. Its totient is φ = 112543797600.

The previous prime is 290738144407. The next prime is 290738144441. The reversal of 290738144420 is 24441837092.

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, 234465626 + ... + 234466865.

It is an arithmetic number, because the mean of its divisors is an integer number (26260219552).

Almost surely, 2^290738144420 is an apocalyptic number.

290738144420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290738144420 is an abundant number, since it is smaller than the sum of its proper divisors (339507124828).

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

290738144420 is a wasteful number, since it uses less digits than its factorization.

290738144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468932531 (or 468932529 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 290738144420 in words is "two hundred ninety billion, seven hundred thirty-eight million, one hundred forty-four thousand, four hundred twenty".