15255452240 has 240 divisors, whose sum is σ = 42814438272. Its totient is φ = 5036387328.

The previous prime is 15255452209. The next prime is 15255452249. The reversal of 15255452240 is 4225455251.

15255452240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 15255452240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255452249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15518789 + ... + 15519771.

Almost surely, 2^15255452240 is an apocalyptic number.

15255452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15255452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21407219136).

15255452240 is an abundant number, since it is smaller than the sum of its proper divisors (27558986032).

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

15255452240 is a wasteful number, since it uses less digits than its factorization.

15255452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 15255452240 in words is "fifteen billion, two hundred fifty-five million, four hundred fifty-two thousand, two hundred forty".