8273364840 has 384 divisors, whose sum is σ = 31564512000. Its totient is φ = 1915785216.

The previous prime is 8273364829. The next prime is 8273364877. The reversal of 8273364840 is 484633728.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4056541 + ... + 4058579.

It is an arithmetic number, because the mean of its divisors is an integer number (82199250).

Almost surely, 2^8273364840 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 8273364840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15782256000).

8273364840 is an abundant number, since it is smaller than the sum of its proper divisors (23291147160).

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

8273364840 is a wasteful number, since it uses less digits than its factorization.

8273364840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 8273364840 is about 90958.0388970651. The cubic root of 8273364840 is about 2022.5257462307.

The spelling of 8273364840 in words is "eight billion, two hundred seventy-three million, three hundred sixty-four thousand, eight hundred forty".