15227479248 has 80 divisors (see below), whose sum is σ = 40769390592. Its totient is φ = 4892400000.

The previous prime is 15227479247. The next prime is 15227479273. The reversal of 15227479248 is 84297472251.

It is a happy number.

It is a super-2 number, since 2×15227479248² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15227479248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15227479247) 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, 353103 + ... + 393873.

Almost surely, 2^15227479248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15227479248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20384695296).

15227479248 is an abundant number, since it is smaller than the sum of its proper divisors (25541911344).

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

15227479248 is a wasteful number, since it uses less digits than its factorization.

15227479248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41064 (or 41058 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 15227479248 in words is "fifteen billion, two hundred twenty-seven million, four hundred seventy-nine thousand, two hundred forty-eight".