240251142415039 has 4 divisors (see below), whose sum is σ = 274572734188624. Its totient is φ = 205929550641456.

The previous prime is 240251142414977. The next prime is 240251142415111. The reversal of 240251142415039 is 930514241152042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240251142415039 - 2³⁹ = 239701386601151 is a prime.

It is a super-2 number, since 2×240251142415039² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240251142414986 and 240251142415004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240251142415439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17160795886782 + ... + 17160795886795.

It is an arithmetic number, because the mean of its divisors is an integer number (68643183547156).

Almost surely, 2^{240251142415039} is an apocalyptic number.

240251142415039 is a deficient number, since it is larger than the sum of its proper divisors (34321591773585).

240251142415039 is an equidigital number, since it uses as much as digits as its factorization.

240251142415039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34321591773584.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 240251142415039 in words is "two hundred forty trillion, two hundred fifty-one billion, one hundred forty-two million, four hundred fifteen thousand, thirty-nine".