6333398840 has 32 divisors (see below), whose sum is σ = 14340926880. Its totient is φ = 2517220992.

The previous prime is 6333398821. The next prime is 6333398843. The reversal of 6333398840 is 488933336.

It is a super-2 number, since 2×6333398840² = 80223881733026691200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6333398843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497972 + ... + 510531.

It is an arithmetic number, because the mean of its divisors is an integer number (448153965).

Almost surely, 2^6333398840 is an apocalyptic number.

It is an amenable number.

6333398840 is an abundant number, since it is smaller than the sum of its proper divisors (8007528040).

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

6333398840 is a wasteful number, since it uses less digits than its factorization.

6333398840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008671 (or 1008667 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The square root of 6333398840 is about 79582.6541402082. The cubic root of 6333398840 is about 1850.1727464695.

The spelling of 6333398840 in words is "six billion, three hundred thirty-three million, three hundred ninety-eight thousand, eight hundred forty".