2690402632 has 8 divisors (see below), whose sum is σ = 5044504950. Its totient is φ = 1345201312.

The previous prime is 2690402599. The next prime is 2690402683. The reversal of 2690402632 is 2362040962.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2293835236 + 396567396 = 47894^2 + 19914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168150157 + ... + 168150172.

Almost surely, 2^2690402632 is an apocalyptic number.

It is an amenable number.

2690402632 is a deficient number, since it is larger than the sum of its proper divisors (2354102318).

2690402632 is a wasteful number, since it uses less digits than its factorization.

2690402632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336300335 (or 336300331 counting only the distinct ones).

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

The square root of 2690402632 is about 51869.0912972263. The cubic root of 2690402632 is about 1390.8248010974.

The spelling of 2690402632 in words is "two billion, six hundred ninety million, four hundred two thousand, six hundred thirty-two".