2690390302530 has 64 divisors (see below), whose sum is σ = 7813436048640. Its totient is φ = 578773039104.

The previous prime is 2690390302423. The next prime is 2690390302531. The reversal of 2690390302530 is 352030930962.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2690390302531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376801795 + ... + 376808934.

It is an arithmetic number, because the mean of its divisors is an integer number (122084938260).

Almost surely, 2^{2690390302530} is an apocalyptic number.

2690390302530 is an abundant number, since it is smaller than the sum of its proper divisors (5123045746110).

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

2690390302530 is a wasteful number, since it uses less digits than its factorization.

2690390302530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753610763.

The product of its (nonzero) digits is 262440, while the sum is 42.

The spelling of 2690390302530 in words is "two trillion, six hundred ninety billion, three hundred ninety million, three hundred two thousand, five hundred thirty".