3155540344 has 64 divisors (see below), whose sum is σ = 6892646400. Its totient is φ = 1340169600.

The previous prime is 3155540329. The next prime is 3155540389. The reversal of 3155540344 is 4430455513.

It is a super-2 number, since 2×3155540344² = 19914869725223276672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59169 + ... + 99055.

It is an arithmetic number, because the mean of its divisors is an integer number (107697600).

Almost surely, 2^3155540344 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 3155540344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3446323200).

3155540344 is an abundant number, since it is smaller than the sum of its proper divisors (3737106056).

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

3155540344 is a wasteful number, since it uses less digits than its factorization.

3155540344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39964 (or 39960 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 3155540344 is about 56174.1964250491. The cubic root of 3155540344 is about 1466.7561314113.

Adding to 3155540344 its reverse (4430455513), we get a palindrome (7585995857).

The spelling of 3155540344 in words is "three billion, one hundred fifty-five million, five hundred forty thousand, three hundred forty-four".