3233971440 has 160 divisors (see below), whose sum is σ = 12730613760. Its totient is φ = 739190016.

The previous prime is 3233971423. The next prime is 3233971451. The reversal of 3233971440 is 441793323.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3233971395 and 3233971404.

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, 91824 + ... + 122063.

It is an arithmetic number, because the mean of its divisors is an integer number (79566336).

Almost surely, 2^3233971440 is an apocalyptic number.

3233971440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3233971440 is an abundant number, since it is smaller than the sum of its proper divisors (9496642320).

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

3233971440 is a wasteful number, since it uses less digits than its factorization.

3233971440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213916 (or 213904 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 3233971440 is about 56868.0177252557. The cubic root of 3233971440 is about 1478.8089150743.

The spelling of 3233971440 in words is "three billion, two hundred thirty-three million, nine hundred seventy-one thousand, four hundred forty".