1240552100434 has 8 divisors (see below), whose sum is σ = 1861128157680. Its totient is φ = 620176047876.

The previous prime is 1240552100429. The next prime is 1240552100441. The reversal of 1240552100434 is 4340012550421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1240552100396 and 1240552100405.

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, 49985664 + ... + 50010475.

It is an arithmetic number, because the mean of its divisors is an integer number (232641019710).

Almost surely, 2^{1240552100434} is an apocalyptic number.

1240552100434 is a deficient number, since it is larger than the sum of its proper divisors (620576057246).

1240552100434 is an equidigital number, since it uses as much as digits as its factorization.

1240552100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100002344.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1240552100434 its reverse (4340012550421), we get a palindrome (5580564650855).

The spelling of 1240552100434 in words is "one trillion, two hundred forty billion, five hundred fifty-two million, one hundred thousand, four hundred thirty-four".