2015332153240 has 64 divisors (see below), whose sum is σ = 5244719880960. Its totient is φ = 682646064000.

The previous prime is 2015332153217. The next prime is 2015332153297. The reversal of 2015332153240 is 423512335102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43335886 + ... + 43382365.

It is an arithmetic number, because the mean of its divisors is an integer number (81948748140).

Almost surely, 2^{2015332153240} is an apocalyptic number.

2015332153240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015332153240 is an abundant number, since it is smaller than the sum of its proper divisors (3229387727720).

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

2015332153240 is a wasteful number, since it uses less digits than its factorization.

2015332153240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86718352 (or 86718348 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 2015332153240 its reverse (423512335102), we get a palindrome (2438844488342).

The spelling of 2015332153240 in words is "two trillion, fifteen billion, three hundred thirty-two million, one hundred fifty-three thousand, two hundred forty".