100990947402 has 24 divisors (see below), whose sum is σ = 219913293600. Its totient is φ = 33494483880.

The previous prime is 100990947401. The next prime is 100990947443. The reversal of 100990947402 is 204749099001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100990947401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14093424 + ... + 14100587.

It is an arithmetic number, because the mean of its divisors is an integer number (9163053900).

Almost surely, 2^100990947402 is an apocalyptic number.

100990947402 is an abundant number, since it is smaller than the sum of its proper divisors (118922346198).

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

100990947402 is a wasteful number, since it uses less digits than its factorization.

100990947402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28194218 (or 28194215 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 100990947402 in words is "one hundred billion, nine hundred ninety million, nine hundred forty-seven thousand, four hundred two".