15022053440 has 112 divisors (see below), whose sum is σ = 36717183360. Its totient is φ = 5850808320.

The previous prime is 15022053419. The next prime is 15022053443. The reversal of 15022053440 is 4435022051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15022053443) 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, 4938320 + ... + 4941360.

Almost surely, 2^15022053440 is an apocalyptic number.

15022053440 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 15022053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18358591680).

15022053440 is an abundant number, since it is smaller than the sum of its proper divisors (21695129920).

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

15022053440 is a wasteful number, since it uses less digits than its factorization.

15022053440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460 (or 3450 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 15022053440 its reverse (4435022051), we get a palindrome (19457075491).

The spelling of 15022053440 in words is "fifteen billion, twenty-two million, fifty-three thousand, four hundred forty".