90140150650 has 24 divisors (see below), whose sum is σ = 182902561344. Its totient is φ = 32778236400.

The previous prime is 90140150641. The next prime is 90140150657. The reversal of 90140150650 is 5605104109.

It is not an unprimeable number, because it can be changed into a prime (90140150657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81945042 + ... + 81946141.

It is an arithmetic number, because the mean of its divisors is an integer number (7620940056).

Almost surely, 2^90140150650 is an apocalyptic number.

90140150650 is an abundant number, since it is smaller than the sum of its proper divisors (92762410694).

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

90140150650 is a wasteful number, since it uses less digits than its factorization.

90140150650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163891206 (or 163891201 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 90140150650 its reverse (5605104109), we get a palindrome (95745254759).

The spelling of 90140150650 in words is "ninety billion, one hundred forty million, one hundred fifty thousand, six hundred fifty".