15250140432 has 80 divisors (see below), whose sum is σ = 45676778880. Its totient is φ = 4862360448.

The previous prime is 15250140427. The next prime is 15250140457. The reversal of 15250140432 is 23404105251.

15250140432 is a `hidden beast` number, since 1 + 5 + 250 + 1 + 404 + 3 + 2 = 666.

15250140432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15250140432² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15250140396 and 15250140405.

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 15 ways as a sum of consecutive naturals, for example, 757483 + ... + 777354.

It is an arithmetic number, because the mean of its divisors is an integer number (570959736).

Almost surely, 2^15250140432 is an apocalyptic number.

15250140432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15250140432 is an abundant number, since it is smaller than the sum of its proper divisors (30426638448).

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

15250140432 is a wasteful number, since it uses less digits than its factorization.

15250140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534877 (or 1534865 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15250140432 its reverse (23404105251), we get a palindrome (38654245683).

The spelling of 15250140432 in words is "fifteen billion, two hundred fifty million, one hundred forty thousand, four hundred thirty-two".