240540313115431 has 8 divisors (see below), whose sum is σ = 277001712814464. Its totient is φ = 204603537872760.

The previous prime is 240540313115407. The next prime is 240540313115467. The reversal of 240540313115431 is 134511313045042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240540313115431 - 2²³ = 240540304726823 is a prime.

It is a super-2 number, since 2×240540313115431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240540313175431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131156113105 + ... + 131156114938.

It is an arithmetic number, because the mean of its divisors is an integer number (34625214101808).

Almost surely, 2^{240540313115431} is an apocalyptic number.

240540313115431 is a deficient number, since it is larger than the sum of its proper divisors (36461399699033).

240540313115431 is a wasteful number, since it uses less digits than its factorization.

240540313115431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262312228181.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 240540313115431 in words is "two hundred forty trillion, five hundred forty billion, three hundred thirteen million, one hundred fifteen thousand, four hundred thirty-one".