3331315840 has 128 divisors (see below), whose sum is σ = 8284032000. Its totient is φ = 1279488000.

The previous prime is 3331315829. The next prime is 3331315859. The reversal of 3331315840 is 485131333.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3331315840² = 22195330451669811200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435465 + ... + 4436215.

It is an arithmetic number, because the mean of its divisors is an integer number (64719000).

Almost surely, 2^3331315840 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 3331315840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142016000).

3331315840 is an abundant number, since it is smaller than the sum of its proper divisors (4952716160).

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

3331315840 is a wasteful number, since it uses less digits than its factorization.

3331315840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3331315840 is about 57717.5522696519. The cubic root of 3331315840 is about 1493.5001478900.

The spelling of 3331315840 in words is "three billion, three hundred thirty-one million, three hundred fifteen thousand, eight hundred forty".