3159421440 has 320 divisors, whose sum is σ = 12225717504. Its totient is φ = 679477248.

The previous prime is 3159421429. The next prime is 3159421469. The reversal of 3159421440 is 441249513.

It is a tau number, because it is divible by the number of its divisors (320).

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, 912192 + ... + 915648.

Almost surely, 2^3159421440 is an apocalyptic number.

3159421440 is a gapful number since it is divisible by the number (30) 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 3159421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6112858752).

3159421440 is an abundant number, since it is smaller than the sum of its proper divisors (9066296064).

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

3159421440 is a wasteful number, since it uses less digits than its factorization.

3159421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3159421440 is about 56208.7309943927. The cubic root of 3159421440 is about 1467.3572211862.

The spelling of 3159421440 in words is "three billion, one hundred fifty-nine million, four hundred twenty-one thousand, four hundred forty".