1240031040408 has 48 divisors (see below), whose sum is σ = 3389804500680. Its totient is φ = 409480652544.

The previous prime is 1240031040407. The next prime is 1240031040467. The reversal of 1240031040408 is 8040401300421.

1240031040408 is a `hidden beast` number, since 1 + 240 + 0 + 3 + 10 + 4 + 0 + 408 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240031040407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80471985 + ... + 80487392.

Almost surely, 2^{1240031040408} is an apocalyptic number.

1240031040408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1240031040408 is an abundant number, since it is smaller than the sum of its proper divisors (2149773460272).

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

1240031040408 is a wasteful number, since it uses less digits than its factorization.

1240031040408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160959496 (or 160959489 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1240031040408 its reverse (8040401300421), we get a palindrome (9280432340829).

The spelling of 1240031040408 in words is "one trillion, two hundred forty billion, thirty-one million, forty thousand, four hundred eight".