109890267642 has 48 divisors (see below), whose sum is σ = 238675557120. Its totient is φ = 36540979200.

The previous prime is 109890267601. The next prime is 109890267659. The reversal of 109890267642 is 246762098901.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13713417 + ... + 13721427.

It is an arithmetic number, because the mean of its divisors is an integer number (4972407440).

Almost surely, 2^109890267642 is an apocalyptic number.

109890267642 is an abundant number, since it is smaller than the sum of its proper divisors (128785289478).

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

109890267642 is a wasteful number, since it uses less digits than its factorization.

109890267642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9779 (or 9776 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 109890267642 in words is "one hundred nine billion, eight hundred ninety million, two hundred sixty-seven thousand, six hundred forty-two".