15202054240 has 192 divisors, whose sum is σ = 38516954112. Its totient is φ = 5657344000.

The previous prime is 15202054213. The next prime is 15202054249. The reversal of 15202054240 is 4245020251.

It is a super-2 number, since 2×15202054240² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15202054249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21685890 + ... + 21686590.

It is an arithmetic number, because the mean of its divisors is an integer number (200609136).

Almost surely, 2^15202054240 is an apocalyptic number.

15202054240 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 15202054240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19258477056).

15202054240 is an abundant number, since it is smaller than the sum of its proper divisors (23314899872).

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

15202054240 is a wasteful number, since it uses less digits than its factorization.

15202054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 15202054240 its reverse (4245020251), we get a palindrome (19447074491).

The spelling of 15202054240 in words is "fifteen billion, two hundred two million, fifty-four thousand, two hundred forty".