1240203432104 has 64 divisors (see below), whose sum is σ = 2870209104000. Its totient is φ = 489224012544.

The previous prime is 1240203432101. The next prime is 1240203432157. The reversal of 1240203432104 is 4012343020421.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1240203432101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2186582 + ... + 2694725.

It is an arithmetic number, because the mean of its divisors is an integer number (44847017250).

Almost surely, 2^{1240203432104} is an apocalyptic number.

1240203432104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1240203432104 is an abundant number, since it is smaller than the sum of its proper divisors (1630005671896).

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

1240203432104 is a wasteful number, since it uses less digits than its factorization.

1240203432104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881682 (or 4881678 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1240203432104 its reverse (4012343020421), we get a palindrome (5252546452525).

The spelling of 1240203432104 in words is "one trillion, two hundred forty billion, two hundred three million, four hundred thirty-two thousand, one hundred four".