40042313031240 has 192 divisors, whose sum is σ = 143935882599600. Its totient is φ = 9590175553536.

The previous prime is 40042313031197. The next prime is 40042313031293. The reversal of 40042313031240 is 4213031324004.

40042313031240 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 231 + 303 + 124 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 14710277818404 + 25332035212836 = 3835398^2 + 5033094^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115449135 + ... + 115795454.

Almost surely, 2^{40042313031240} is an apocalyptic number.

40042313031240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40042313031240 is an abundant number, since it is smaller than the sum of its proper divisors (103893569568360).

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

40042313031240 is a wasteful number, since it uses less digits than its factorization.

40042313031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231244656 (or 231244649 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40042313031240 its reverse (4213031324004), we get a palindrome (44255344355244).

The spelling of 40042313031240 in words is "forty trillion, forty-two billion, three hundred thirteen million, thirty-one thousand, two hundred forty".