15400648798 has 8 divisors (see below), whose sum is σ = 24105363408. Its totient is φ = 7365527664.

The previous prime is 15400648793. The next prime is 15400648811. The reversal of 15400648798 is 89784600451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15400648793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167398311 + ... + 167398402.

It is an arithmetic number, because the mean of its divisors is an integer number (3013170426).

Almost surely, 2^15400648798 is an apocalyptic number.

15400648798 is a deficient number, since it is larger than the sum of its proper divisors (8704714610).

15400648798 is a wasteful number, since it uses less digits than its factorization.

15400648798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334796738.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 15400648798 in words is "fifteen billion, four hundred million, six hundred forty-eight thousand, seven hundred ninety-eight".