402100402870 has 8 divisors (see below), whose sum is σ = 723780725184. Its totient is φ = 160840161144.

The previous prime is 402100402819. The next prime is 402100402871. The reversal of 402100402870 is 78204001204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402100402871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20105020134 + ... + 20105020153.

It is an arithmetic number, because the mean of its divisors is an integer number (90472590648).

Almost surely, 2^402100402870 is an apocalyptic number.

402100402870 is a deficient number, since it is larger than the sum of its proper divisors (321680322314).

402100402870 is a wasteful number, since it uses less digits than its factorization.

402100402870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40210040294.

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 402100402870 in words is "four hundred two billion, one hundred million, four hundred two thousand, eight hundred seventy".