10402402642 has 16 divisors (see below), whose sum is σ = 15651979200. Its totient is φ = 5185096560.

The previous prime is 10402402603. The next prime is 10402402643. The reversal of 10402402642 is 24620420401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10402402643) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1250517 + ... + 1258807.

It is an arithmetic number, because the mean of its divisors is an integer number (978248700).

Almost surely, 2^10402402642 is an apocalyptic number.

10402402642 is a deficient number, since it is larger than the sum of its proper divisors (5249576558).

10402402642 is a wasteful number, since it uses less digits than its factorization.

10402402642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 3072, while the sum is 25.

The spelling of 10402402642 in words is "ten billion, four hundred two million, four hundred two thousand, six hundred forty-two".