102642644202 has 16 divisors (see below), whose sum is σ = 234611758272. Its totient is φ = 29326469760.

The previous prime is 102642644177. The next prime is 102642644257. The reversal of 102642644202 is 202446246201.

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, 1221936199 + ... + 1221936282.

It is an arithmetic number, because the mean of its divisors is an integer number (14663234892).

Almost surely, 2^102642644202 is an apocalyptic number.

102642644202 is an abundant number, since it is smaller than the sum of its proper divisors (131969114070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102642644202 is a wasteful number, since it uses less digits than its factorization.

102642644202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443872493.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 102642644202 in words is "one hundred two billion, six hundred forty-two million, six hundred forty-four thousand, two hundred two".