1240403004144 has 60 divisors (see below), whose sum is σ = 3472596865816. Its totient is φ = 413325783936.

The previous prime is 1240403004083. The next prime is 1240403004157. The reversal of 1240403004144 is 4414003040421.

1240403004144 is a `hidden beast` number, since 1 + 240 + 4 + 0 + 3 + 0 + 0 + 414 + 4 = 666.

It is a super-2 number, since 2×1240403004144² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056454 + ... + 1896549.

Almost surely, 2^{1240403004144} is an apocalyptic number.

It is an amenable number.

1240403004144 is an abundant number, since it is smaller than the sum of its proper divisors (2232193861672).

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

1240403004144 is a wasteful number, since it uses less digits than its factorization.

1240403004144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955934 (or 2955925 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1240403004144 its reverse (4414003040421), we get a palindrome (5654406044565).

The spelling of 1240403004144 in words is "one trillion, two hundred forty billion, four hundred three million, four thousand, one hundred forty-four".