2584390690 has 16 divisors (see below), whose sum is σ = 5316460992. Its totient is φ = 886076784.

The previous prime is 2584390681. The next prime is 2584390693. The reversal of 2584390690 is 960934852.

It is a super-2 number, since 2×2584390690² = 13358150477117352200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2584390690.

It is not an unprimeable number, because it can be changed into a prime (2584390693) 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, 18459864 + ... + 18460003.

It is an arithmetic number, because the mean of its divisors is an integer number (332278812).

Almost surely, 2^2584390690 is an apocalyptic number.

2584390690 is an abundant number, since it is smaller than the sum of its proper divisors (2732070302).

2584390690 is a wasteful number, since it uses less digits than its factorization.

2584390690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36919881.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2584390690 is about 50836.9028364239. The cubic root of 2584390690 is about 1372.3115627885.

The spelling of 2584390690 in words is "two billion, five hundred eighty-four million, three hundred ninety thousand, six hundred ninety".