2690631424 has 54 divisors (see below), whose sum is σ = 5815760496. Its totient is φ = 1241809920.

The previous prime is 2690631409. The next prime is 2690631491. The reversal of 2690631424 is 4241360962.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12169 + ... + 74359.

Almost surely, 2^2690631424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690631424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907880248).

2690631424 is an abundant number, since it is smaller than the sum of its proper divisors (3125129072).

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

2690631424 is an equidigital number, since it uses as much as digits as its factorization.

2690631424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62233 (or 62206 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2690631424 is about 51871.2967256459. The cubic root of 2690631424 is about 1390.8642252545.

The spelling of 2690631424 in words is "two billion, six hundred ninety million, six hundred thirty-one thousand, four hundred twenty-four".