15212035240 has 32 divisors (see below), whose sum is σ = 34304381280. Its totient is φ = 6071071552.

The previous prime is 15212035229. The next prime is 15212035243. The reversal of 15212035240 is 4253021251.

15212035240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15212035240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15212035243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411514 + ... + 446953.

It is an arithmetic number, because the mean of its divisors is an integer number (1072011915).

Almost surely, 2^15212035240 is an apocalyptic number.

15212035240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15212035240 is an abundant number, since it is smaller than the sum of its proper divisors (19092346040).

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

15212035240 is a wasteful number, since it uses less digits than its factorization.

15212035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858921 (or 858917 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15212035240 its reverse (4253021251), we get a palindrome (19465056491).

The spelling of 15212035240 in words is "fifteen billion, two hundred twelve million, thirty-five thousand, two hundred forty".