1402690568 has 8 divisors (see below), whose sum is σ = 2630044830. Its totient is φ = 701345280.

The previous prime is 1402690567. The next prime is 1402690591. The reversal of 1402690568 is 8650962041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 907093924 + 495596644 = 30118^2 + 22262^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1402690567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87668153 + ... + 87668168.

Almost surely, 2^1402690568 is an apocalyptic number.

It is an amenable number.

1402690568 is a deficient number, since it is larger than the sum of its proper divisors (1227354262).

1402690568 is a wasteful number, since it uses less digits than its factorization.

1402690568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175336327 (or 175336323 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1402690568 is about 37452.5108370587. The cubic root of 1402690568 is about 1119.4051284013.

The spelling of 1402690568 in words is "one billion, four hundred two million, six hundred ninety thousand, five hundred sixty-eight".