90634231140 has 24 divisors (see below), whose sum is σ = 253775847360. Its totient is φ = 24169128288.

The previous prime is 90634231139. The next prime is 90634231169. The reversal of 90634231140 is 4113243609.

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, 755285200 + ... + 755285319.

It is an arithmetic number, because the mean of its divisors is an integer number (10573993640).

Almost surely, 2^90634231140 is an apocalyptic number.

It is an amenable number.

90634231140 is an abundant number, since it is smaller than the sum of its proper divisors (163141616220).

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

90634231140 is a wasteful number, since it uses less digits than its factorization.

90634231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510570531 (or 1510570529 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 90634231140 its reverse (4113243609), we get a palindrome (94747474749).

The spelling of 90634231140 in words is "ninety billion, six hundred thirty-four million, two hundred thirty-one thousand, one hundred forty".