15252203040 has 96 divisors (see below), whose sum is σ = 48145466880. Its totient is φ = 4058701824.

The previous prime is 15252203039. The next prime is 15252203041. The reversal of 15252203040 is 4030225251.

It is an interprime number because it is at equal distance from previous prime (15252203039) and next prime (15252203041).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 15252203040.

It is not an unprimeable number, because it can be changed into a prime (15252203041) 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 15 ways as a sum of consecutive naturals, for example, 196752 + ... + 263088.

It is an arithmetic number, because the mean of its divisors is an integer number (501515280).

Almost surely, 2^15252203040 is an apocalyptic number.

15252203040 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 15252203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24072733440).

15252203040 is an abundant number, since it is smaller than the sum of its proper divisors (32893263840).

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

15252203040 is a wasteful number, since it uses less digits than its factorization.

15252203040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66834 (or 66826 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 15252203040 its reverse (4030225251), we get a palindrome (19282428291).

The spelling of 15252203040 in words is "fifteen billion, two hundred fifty-two million, two hundred three thousand, forty".