15053050440 has 96 divisors (see below), whose sum is σ = 49176124920. Its totient is φ = 3993329664.

The previous prime is 15053050429. The next prime is 15053050451. The reversal of 15053050440 is 4405035051.

15053050440 is a `hidden beast` number, since 150 + 5 + 3 + 0 + 504 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (15053050429) and next prime (15053050451).

It can be written as a sum of positive squares in 4 ways, for example, as 12923597124 + 2129453316 = 113682^2 + 46146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38847 + ... + 177806.

Almost surely, 2^15053050440 is an apocalyptic number.

15053050440 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 15053050440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24588062460).

15053050440 is an abundant number, since it is smaller than the sum of its proper divisors (34123074480).

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

15053050440 is a wasteful number, since it uses less digits than its factorization.

15053050440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216863 (or 216856 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 15053050440 its reverse (4405035051), we get a palindrome (19458085491).

The spelling of 15053050440 in words is "fifteen billion, fifty-three million, fifty thousand, four hundred forty".