3133644420 has 48 divisors (see below), whose sum is σ = 8918054208. Its totient is φ = 821938560.

The previous prime is 3133644413. The next prime is 3133644463. The reversal of 3133644420 is 244463313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424434 + ... + 431753.

It is an arithmetic number, because the mean of its divisors is an integer number (185792796).

Almost surely, 2^3133644420 is an apocalyptic number.

3133644420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3133644420 is an abundant number, since it is smaller than the sum of its proper divisors (5784409788).

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

3133644420 is a wasteful number, since it uses less digits than its factorization.

3133644420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856260 (or 856258 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 3133644420 is about 55978.9640847345. The cubic root of 3133644420 is about 1463.3557046524.

The spelling of 3133644420 in words is "three billion, one hundred thirty-three million, six hundred forty-four thousand, four hundred twenty".