3353640388 has 144 divisors (see below), whose sum is σ = 7624995840. Its totient is φ = 1261209600.

The previous prime is 3353640377. The next prime is 3353640413. The reversal of 3353640388 is 8830463533.

It is a super-2 number, since 2×3353640388² = 22493807704049581088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7274478 + ... + 7274938.

It is an arithmetic number, because the mean of its divisors is an integer number (52951360).

Almost surely, 2^3353640388 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 3353640388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3812497920).

3353640388 is an abundant number, since it is smaller than the sum of its proper divisors (4271355452).

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

3353640388 is a wasteful number, since it uses less digits than its factorization.

3353640388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 3353640388 is about 57910.6241375449. The cubic root of 3353640388 is about 1496.8289139031.

The spelling of 3353640388 in words is "three billion, three hundred fifty-three million, six hundred forty thousand, three hundred eighty-eight".