4561890972 has 24 divisors (see below), whose sum is σ = 10691310336. Its totient is φ = 1513930608.

The previous prime is 4561890919. The next prime is 4561890989. The reversal of 4561890972 is 2790981654.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834628 + ... + 840075.

It is an arithmetic number, because the mean of its divisors is an integer number (445471264).

Almost surely, 2^4561890972 is an apocalyptic number.

It is an amenable number.

4561890972 is an abundant number, since it is smaller than the sum of its proper divisors (6129419364).

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

4561890972 is a wasteful number, since it uses less digits than its factorization.

4561890972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674937 (or 1674935 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 4561890972 is about 67541.7720525602. The cubic root of 4561890972 is about 1658.4980574524.

The spelling of 4561890972 in words is "four billion, five hundred sixty-one million, eight hundred ninety thousand, nine hundred seventy-two".