1240412134550 has 12 divisors (see below), whose sum is σ = 2307166570356. Its totient is φ = 496164853800.

The previous prime is 1240412134537. The next prime is 1240412134603. The reversal of 1240412134550 is 554312140421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12404121296 + ... + 12404121395.

It is an arithmetic number, because the mean of its divisors is an integer number (192263880863).

Almost surely, 2^{1240412134550} is an apocalyptic number.

1240412134550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240412134550 is a deficient number, since it is larger than the sum of its proper divisors (1066754435806).

1240412134550 is a wasteful number, since it uses less digits than its factorization.

1240412134550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24808242703 (or 24808242698 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1240412134550 its reverse (554312140421), we get a palindrome (1794724274971).

The spelling of 1240412134550 in words is "one trillion, two hundred forty billion, four hundred twelve million, one hundred thirty-four thousand, five hundred fifty".