90001107442 has 16 divisors (see below), whose sum is σ = 138820252032. Its totient is φ = 43736037280.

The previous prime is 90001107419. The next prime is 90001107479. The reversal of 90001107442 is 24470110009.

It is a self number, because there is not a number n which added to its sum of digits gives 90001107442.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2065078 + ... + 2108209.

It is an arithmetic number, because the mean of its divisors is an integer number (8676265752).

Almost surely, 2^90001107442 is an apocalyptic number.

90001107442 is a deficient number, since it is larger than the sum of its proper divisors (48819144590).

90001107442 is a wasteful number, since it uses less digits than its factorization.

90001107442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173593.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 90001107442 in words is "ninety billion, one million, one hundred seven thousand, four hundred forty-two".