3155432240000 has 160 divisors (see below), whose sum is σ = 7903475734440. Its totient is φ = 1254424320000.

The previous prime is 3155432239811. The next prime is 3155432240189. The reversal of 3155432240000 is 422345513.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3155432239811) and next prime (3155432240189).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12919010 + ... + 13160990.

Almost surely, 2^{3155432240000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155432240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951737867220).

3155432240000 is an abundant number, since it is smaller than the sum of its proper divisors (4748043494440).

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

3155432240000 is an equidigital number, since it uses as much as digits as its factorization.

3155432240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242178 (or 242151 counting only the distinct ones).

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

Adding to 3155432240000 its reverse (422345513), we get a palindrome (3155854585513).

The spelling of 3155432240000 in words is "three trillion, one hundred fifty-five billion, four hundred thirty-two million, two hundred forty thousand".