3333172640 has 96 divisors (see below), whose sum is σ = 9027293184. Its totient is φ = 1139281920.

The previous prime is 3333172571. The next prime is 3333172657. The reversal of 3333172640 is 462713333.

It is a super-2 number, since 2×3333172640² = 22220079696089139200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3333172597 and 3333172606.

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, 373025 + ... + 381855.

It is an arithmetic number, because the mean of its divisors is an integer number (94034304).

Almost surely, 2^3333172640 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 3333172640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4513646592).

3333172640 is an abundant number, since it is smaller than the sum of its proper divisors (5694120544).

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

3333172640 is a wasteful number, since it uses less digits than its factorization.

3333172640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9190 (or 9182 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 3333172640 is about 57733.6352571012. The cubic root of 3333172640 is about 1493.7775774044. Note that the first 3 decimals are identical.

Adding to 3333172640 its reverse (462713333), we get a palindrome (3795885973).

The spelling of 3333172640 in words is "three billion, three hundred thirty-three million, one hundred seventy-two thousand, six hundred forty".