3125447424 has 432 divisors, whose sum is σ = 10536983520. Its totient is φ = 912384000.

The previous prime is 3125447411. The next prime is 3125447441. The reversal of 3125447424 is 4247445213.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

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, 30944974 + ... + 30945074.

Almost surely, 2^3125447424 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 3125447424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5268491760).

3125447424 is an abundant number, since it is smaller than the sum of its proper divisors (7411536096).

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

3125447424 is a wasteful number, since it uses less digits than its factorization.

3125447424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 154 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 3125447424 is about 55905.7011761770. The cubic root of 3125447424 is about 1462.0786404814.

The spelling of 3125447424 in words is "three billion, one hundred twenty-five million, four hundred forty-seven thousand, four hundred twenty-four".