15400231011324 has 72 divisors (see below), whose sum is σ = 39059773120368. Its totient is φ = 5116110531840.

The previous prime is 15400231011317. The next prime is 15400231011329. The reversal of 15400231011324 is 42311013200451.

15400231011324 is a `hidden beast` number, since 1 + 5 + 400 + 23 + 101 + 132 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400231011329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12075934 + ... + 13290170.

It is an arithmetic number, because the mean of its divisors is an integer number (542496848894).

Almost surely, 2^{15400231011324} is an apocalyptic number.

It is an amenable number.

15400231011324 is an abundant number, since it is smaller than the sum of its proper divisors (23659542109044).

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

15400231011324 is a wasteful number, since it uses less digits than its factorization.

15400231011324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215435 (or 1215430 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 15400231011324 its reverse (42311013200451), we get a palindrome (57711244211775).

The spelling of 15400231011324 in words is "fifteen trillion, four hundred billion, two hundred thirty-one million, eleven thousand, three hundred twenty-four".