1240520144034 has 8 divisors (see below), whose sum is σ = 2481040288080. Its totient is φ = 413506714676.

The previous prime is 1240520144011. The next prime is 1240520144107. The reversal of 1240520144034 is 4304410250421.

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

1240520144034 is an admirable number.

It is a super-2 number, since 2×1240520144034² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240520143992 and 1240520144010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103376678664 + ... + 103376678675.

It is an arithmetic number, because the mean of its divisors is an integer number (310130036010).

Almost surely, 2^{1240520144034} is an apocalyptic number.

1240520144034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240520144034 is a wasteful number, since it uses less digits than its factorization.

1240520144034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206753357344.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1240520144034 its reverse (4304410250421), we get a palindrome (5544930394455).

The spelling of 1240520144034 in words is "one trillion, two hundred forty billion, five hundred twenty million, one hundred forty-four thousand, thirty-four".