1015122352240 has 40 divisors (see below), whose sum is σ = 2410375636800. Its totient is φ = 397409600256.

The previous prime is 1015122352187. The next prime is 1015122352267. The reversal of 1015122352240 is 422532215101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1015122352199 and 1015122352208.

It is a congruent number.

It is an unprimeable number.

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, 134985915 + ... + 134993434.

It is an arithmetic number, because the mean of its divisors is an integer number (60259390920).

Almost surely, 2^{1015122352240} is an apocalyptic number.

1015122352240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015122352240 is an abundant number, since it is smaller than the sum of its proper divisors (1395253284560).

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

1015122352240 is a wasteful number, since it uses less digits than its factorization.

1015122352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269979409 (or 269979403 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1015122352240 its reverse (422532215101), we get a palindrome (1437654567341).

The spelling of 1015122352240 in words is "one trillion, fifteen billion, one hundred twenty-two million, three hundred fifty-two thousand, two hundred forty".