3155310400 has 168 divisors, whose sum is σ = 8611636320. Its totient is φ = 1128192000.

The previous prime is 3155310391. The next prime is 3155310401. The reversal of 3155310400 is 40135513.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155310401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072131 + ... + 1075069.

It is an arithmetic number, because the mean of its divisors is an integer number (51259740).

Almost surely, 2^3155310400 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 3155310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4305818160).

3155310400 is an abundant number, since it is smaller than the sum of its proper divisors (5456325920).

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

3155310400 is a wasteful number, since it uses less digits than its factorization.

3155310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3155310400 is about 56172.1496829167. The cubic root of 3155310400 is about 1466.7205030743.

Adding to 3155310400 its reverse (40135513), we get a palindrome (3195445913).

The spelling of 3155310400 in words is "three billion, one hundred fifty-five million, three hundred ten thousand, four hundred".