8413773440 has 64 divisors (see below), whose sum is σ = 20125773000. Its totient is φ = 3363569664.

The previous prime is 8413773437. The next prime is 8413773461. The reversal of 8413773440 is 443773148.

It can be written as a sum of positive squares in 4 ways, for example, as 5266114624 + 3147658816 = 72568^2 + 56104^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718516 + ... + 1723404.

Almost surely, 2^8413773440 is an apocalyptic number.

8413773440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8413773440 is an abundant number, since it is smaller than the sum of its proper divisors (11711999560).

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

8413773440 is a wasteful number, since it uses less digits than its factorization.

8413773440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597 (or 7585 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 8413773440 is about 91726.6233980081. The cubic root of 8413773440 is about 2033.9031604301.

The spelling of 8413773440 in words is "eight billion, four hundred thirteen million, seven hundred seventy-three thousand, four hundred forty".