15455028280 has 32 divisors (see below), whose sum is σ = 35192782800. Its totient is φ = 6107527936.

The previous prime is 15455028257. The next prime is 15455028289. The reversal of 15455028280 is 8282055451.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455028289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324245 + ... + 2330884.

Almost surely, 2^15455028280 is an apocalyptic number.

15455028280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15455028280 is an abundant number, since it is smaller than the sum of its proper divisors (19737754520).

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

15455028280 is a wasteful number, since it uses less digits than its factorization.

15455028280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655223 (or 4655219 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The spelling of 15455028280 in words is "fifteen billion, four hundred fifty-five million, twenty-eight thousand, two hundred eighty".