15190420280 has 32 divisors (see below), whose sum is σ = 39061081440. Its totient is φ = 5208144000.

The previous prime is 15190420249. The next prime is 15190420303. The reversal of 15190420280 is 8202409151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27125471 + ... + 27126030.

It is an arithmetic number, because the mean of its divisors is an integer number (1220658795).

Almost surely, 2^15190420280 is an apocalyptic number.

15190420280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15190420280 is an abundant number, since it is smaller than the sum of its proper divisors (23870661160).

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

15190420280 is a wasteful number, since it uses less digits than its factorization.

15190420280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54251519 (or 54251515 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 15190420280 in words is "fifteen billion, one hundred ninety million, four hundred twenty thousand, two hundred eighty".