3220132440 has 128 divisors (see below), whose sum is σ = 11396689920. Its totient is φ = 712281600.

The previous prime is 3220132439. The next prime is 3220132567. The reversal of 3220132440 is 442310223.

It is a super-2 number, since 2×3220132440² = 20738505862280707200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 35791 + ... + 87870.

It is an arithmetic number, because the mean of its divisors is an integer number (89036640).

Almost surely, 2^3220132440 is an apocalyptic number.

3220132440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220132440 is an abundant number, since it is smaller than the sum of its proper divisors (8176557480).

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

3220132440 is a wasteful number, since it uses less digits than its factorization.

3220132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123713 (or 123709 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3220132440 is about 56746.2107986075. The cubic root of 3220132440 is about 1476.6964971007.

Adding to 3220132440 its reverse (442310223), we get a palindrome (3662442663).

The spelling of 3220132440 in words is "three billion, two hundred twenty million, one hundred thirty-two thousand, four hundred forty".