90408098452 has 24 divisors (see below), whose sum is σ = 185226350400. Its totient is φ = 37801295040.

The previous prime is 90408098423. The next prime is 90408098467. The reversal of 90408098452 is 25489080409.

It is a junction number, because it is equal to n+sod(n) for n = 90408098396 and 90408098405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39375202 + ... + 39377497.

It is an arithmetic number, because the mean of its divisors is an integer number (7717764600).

Almost surely, 2^90408098452 is an apocalyptic number.

It is an amenable number.

90408098452 is an abundant number, since it is smaller than the sum of its proper divisors (94818251948).

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

90408098452 is a wasteful number, since it uses less digits than its factorization.

90408098452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78752751 (or 78752749 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 90408098452 in words is "ninety billion, four hundred eight million, ninety-eight thousand, four hundred fifty-two".