5721124390 has 48 divisors (see below), whose sum is σ = 11053175760. Its totient is φ = 2131179840.

The previous prime is 5721124363. The next prime is 5721124417. The reversal of 5721124390 is 934211275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5721124363) and next prime (5721124417).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199560 + ... + 226420.

It is an arithmetic number, because the mean of its divisors is an integer number (230274495).

Almost surely, 2^5721124390 is an apocalyptic number.

5721124390 is a deficient number, since it is larger than the sum of its proper divisors (5332051370).

5721124390 is a wasteful number, since it uses less digits than its factorization.

5721124390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965 (or 26946 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5721124390 is about 75638.1146644997. The cubic root of 5721124390 is about 1788.5199827846.

The spelling of 5721124390 in words is "five billion, seven hundred twenty-one million, one hundred twenty-four thousand, three hundred ninety".