15400621248 has 28 divisors (see below), whose sum is σ = 40747477560. Its totient is φ = 5133540352.

The previous prime is 15400621241. The next prime is 15400621279. The reversal of 15400621248 is 84212600451.

It is a happy number.

15400621248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15400621241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40105593 + ... + 40105976.

Almost surely, 2^15400621248 is an apocalyptic number.

It is an amenable number.

15400621248 is an abundant number, since it is smaller than the sum of its proper divisors (25346856312).

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

15400621248 is an equidigital number, since it uses as much as digits as its factorization.

15400621248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80211584 (or 80211574 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 15400621248 in words is "fifteen billion, four hundred million, six hundred twenty-one thousand, two hundred forty-eight".