15232237440 has 256 divisors, whose sum is σ = 56781457920. Its totient is φ = 3400556544.

The previous prime is 15232237381. The next prime is 15232237459. The reversal of 15232237440 is 4473223251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564742 + ... + 591098.

It is an arithmetic number, because the mean of its divisors is an integer number (221802570).

Almost surely, 2^15232237440 is an apocalyptic number.

15232237440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15232237440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28390728960).

15232237440 is an abundant number, since it is smaller than the sum of its proper divisors (41549220480).

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

15232237440 is a wasteful number, since it uses less digits than its factorization.

15232237440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26429 (or 26417 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 15232237440 in words is "fifteen billion, two hundred thirty-two million, two hundred thirty-seven thousand, four hundred forty".