1240440656103 has 96 divisors (see below), whose sum is σ = 2076747079680. Its totient is φ = 706537728000.

The previous prime is 1240440655991. The next prime is 1240440656149. The reversal of 1240440656103 is 3016560440421.

1240440656103 is a `hidden beast` number, since 1 + 240 + 4 + 406 + 5 + 6 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 1240440656103 - 2¹⁷ = 1240440525031 is a prime.

It is a super-2 number, since 2×1240440656103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240440656503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14747575 + ... + 14831447.

It is an arithmetic number, because the mean of its divisors is an integer number (21632782080).

Almost surely, 2^{1240440656103} is an apocalyptic number.

1240440656103 is a deficient number, since it is larger than the sum of its proper divisors (836306423577).

1240440656103 is a wasteful number, since it uses less digits than its factorization.

1240440656103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84061 (or 84058 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1240440656103 in words is "one trillion, two hundred forty billion, four hundred forty million, six hundred fifty-six thousand, one hundred three".