90241513828 has 6 divisors (see below), whose sum is σ = 157922649206. Its totient is φ = 45120756912.

The previous prime is 90241513801. The next prime is 90241513829. The reversal of 90241513828 is 82831514209.

It can be written as a sum of positive squares in only one way, i.e., 48948022564 + 41293491264 = 221242^2 + 203208^2 .

It is not an unprimeable number, because it can be changed into a prime (90241513829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280189225 + ... + 11280189232.

Almost surely, 2^90241513828 is an apocalyptic number.

It is an amenable number.

90241513828 is a deficient number, since it is larger than the sum of its proper divisors (67681135378).

90241513828 is a wasteful number, since it uses less digits than its factorization.

90241513828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560378461 (or 22560378459 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 90241513828 in words is "ninety billion, two hundred forty-one million, five hundred thirteen thousand, eight hundred twenty-eight".