2440140415312 has 10 divisors (see below), whose sum is σ = 4727772054698. Its totient is φ = 1220070207648.

The previous prime is 2440140415277. The next prime is 2440140415331. The reversal of 2440140415312 is 2135140410442.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1731371745856 + 708768669456 = 1315816^2 + 841884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76254387963 + ... + 76254387994.

Almost surely, 2^{2440140415312} is an apocalyptic number.

It is an amenable number.

2440140415312 is a deficient number, since it is larger than the sum of its proper divisors (2287631639386).

2440140415312 is a wasteful number, since it uses less digits than its factorization.

2440140415312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152508775965 (or 152508775959 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 2440140415312 its reverse (2135140410442), we get a palindrome (4575280825754).

The spelling of 2440140415312 in words is "two trillion, four hundred forty billion, one hundred forty million, four hundred fifteen thousand, three hundred twelve".