90306302534 has 24 divisors (see below), whose sum is σ = 159794665488. Its totient is φ = 38157589680.

The previous prime is 90306302509. The next prime is 90306302543. The reversal of 90306302534 is 43520360309.

It is a junction number, because it is equal to n+sod(n) for n = 90306302494 and 90306302503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6482429 + ... + 6496344.

It is an arithmetic number, because the mean of its divisors is an integer number (6658111062).

Almost surely, 2^90306302534 is an apocalyptic number.

90306302534 is a deficient number, since it is larger than the sum of its proper divisors (69488362954).

90306302534 is a wasteful number, since it uses less digits than its factorization.

90306302534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12978860 (or 12978853 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 90306302534 in words is "ninety billion, three hundred six million, three hundred two thousand, five hundred thirty-four".