90042402248 has 36 divisors (see below), whose sum is σ = 169884757665. Its totient is φ = 44741545248.

The previous prime is 90042402223. The next prime is 90042402287. The reversal of 90042402248 is 84220424009.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 79029578884 + 11012823364 = 281122^2 + 104942^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=212182.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 235097465 + ... + 235097847.

Almost surely, 2^90042402248 is an apocalyptic number.

It is an amenable number.

90042402248 is a deficient number, since it is larger than the sum of its proper divisors (79842355417).

90042402248 is an frugal number, since it uses more digits than its factorization.

90042402248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 90042402248 in words is "ninety billion, forty-two million, four hundred two thousand, two hundred forty-eight".