298561540990 has 16 divisors (see below), whose sum is σ = 537431013360. Its totient is φ = 119420118720.

The previous prime is 298561540967. The next prime is 298561540999. The reversal of 298561540990 is 99045165892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298561540999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276495 + ... + 820714.

It is an arithmetic number, because the mean of its divisors is an integer number (33589438335).

Almost surely, 2^298561540990 is an apocalyptic number.

298561540990 is a deficient number, since it is larger than the sum of its proper divisors (238869472370).

298561540990 is a wasteful number, since it uses less digits than its factorization.

298561540990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124427.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 298561540990 in words is "two hundred ninety-eight billion, five hundred sixty-one million, five hundred forty thousand, nine hundred ninety".