15400768548 has 48 divisors (see below), whose sum is σ = 39224614464. Its totient is φ = 4664202240.

The previous prime is 15400768547. The next prime is 15400768583. The reversal of 15400768548 is 84586700451.

It is a junction number, because it is equal to n+sod(n) for n = 15400768497 and 15400768506.

It is not an unprimeable number, because it can be changed into a prime (15400768547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201736 + ... + 267392.

It is an arithmetic number, because the mean of its divisors is an integer number (817179468).

Almost surely, 2^15400768548 is an apocalyptic number.

It is an amenable number.

15400768548 is an abundant number, since it is smaller than the sum of its proper divisors (23823845916).

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

15400768548 is a wasteful number, since it uses less digits than its factorization.

15400768548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67452 (or 67450 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 15400768548 in words is "fifteen billion, four hundred million, seven hundred sixty-eight thousand, five hundred forty-eight".