15426346780 has 48 divisors (see below), whose sum is σ = 34921089504. Its totient is φ = 5690361600.

The previous prime is 15426346777. The next prime is 15426346781. The reversal of 15426346780 is 8764362451.

It is a self number, because there is not a number n which added to its sum of digits gives 15426346780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15426346781) 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, 245034 + ... + 301486.

It is an arithmetic number, because the mean of its divisors is an integer number (727522698).

Almost surely, 2^15426346780 is an apocalyptic number.

15426346780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15426346780 is an abundant number, since it is smaller than the sum of its proper divisors (19494742724).

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

15426346780 is a wasteful number, since it uses less digits than its factorization.

15426346780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57526 (or 57524 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 15426346780 in words is "fifteen billion, four hundred twenty-six million, three hundred forty-six thousand, seven hundred eighty".