2590321488978 has 16 divisors (see below), whose sum is σ = 5180991997536. Its totient is φ = 863382326400.

The previous prime is 2590321488977. The next prime is 2590321489057. The reversal of 2590321488978 is 8798841230952.

It is a super-2 number, since 2×2590321488978² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2590321488977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14445951 + ... + 14624162.

It is an arithmetic number, because the mean of its divisors is an integer number (323811999846).

Almost surely, 2^{2590321488978} is an apocalyptic number.

2590321488978 is an abundant number, since it is smaller than the sum of its proper divisors (2590670508558).

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

2590321488978 is a wasteful number, since it uses less digits than its factorization.

2590321488978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29084969.

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 2590321488978 in words is "two trillion, five hundred ninety billion, three hundred twenty-one million, four hundred eighty-eight thousand, nine hundred seventy-eight".