1233040552040 has 128 divisors (see below), whose sum is σ = 3186393638400. Its totient is φ = 424706561280.

The previous prime is 1233040552033. The next prime is 1233040552129. The reversal of 1233040552040 is 402550403321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1233040551994 and 1233040552012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75791987 + ... + 75808253.

It is an arithmetic number, because the mean of its divisors is an integer number (24893700300).

Almost surely, 2^{1233040552040} is an apocalyptic number.

1233040552040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233040552040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593196819200).

1233040552040 is an abundant number, since it is smaller than the sum of its proper divisors (1953353086360).

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

1233040552040 is a wasteful number, since it uses less digits than its factorization.

1233040552040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25375 (or 25371 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 1233040552040 its reverse (402550403321), we get a palindrome (1635590955361).

The spelling of 1233040552040 in words is "one trillion, two hundred thirty-three billion, forty million, five hundred fifty-two thousand, forty".