2690230642 has 16 divisors (see below), whose sum is σ = 4403849472. Its totient is φ = 1222372720.

The previous prime is 2690230619. The next prime is 2690230651. The reversal of 2690230642 is 2460320962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2690230598 and 2690230607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40863 + ... + 83965.

It is an arithmetic number, because the mean of its divisors is an integer number (275240592).

Almost surely, 2^2690230642 is an apocalyptic number.

2690230642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2690230642 is a deficient number, since it is larger than the sum of its proper divisors (1713618830).

2690230642 is a wasteful number, since it uses less digits than its factorization.

2690230642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45953.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2690230642 is about 51867.4333469471. The cubic root of 2690230642 is about 1390.7951632715.

It can be divided in two parts, 2690 and 230642, that added together give a palindrome (233332).

The spelling of 2690230642 in words is "two billion, six hundred ninety million, two hundred thirty thousand, six hundred forty-two".