3155450320 has 160 divisors (see below), whose sum is σ = 8349179904. Its totient is φ = 1098662400.

The previous prime is 3155450303. The next prime is 3155450371. The reversal of 3155450320 is 230545513.

It is a congruent number.

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, 2809279 + ... + 2810401.

Almost surely, 2^3155450320 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 3155450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4174589952).

3155450320 is an abundant number, since it is smaller than the sum of its proper divisors (5193729584).

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

3155450320 is a wasteful number, since it uses less digits than its factorization.

3155450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3155450320 is about 56173.3951261627. The cubic root of 3155450320 is about 1466.7421829804.

Adding to 3155450320 its reverse (230545513), we get a palindrome (3385995833).

The spelling of 3155450320 in words is "three billion, one hundred fifty-five million, four hundred fifty thousand, three hundred twenty".