8734276440 has 256 divisors, whose sum is σ = 30744000000. Its totient is φ = 2199550464.

The previous prime is 8734276433. The next prime is 8734276471. The reversal of 8734276440 is 446724378.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10239054 + ... + 10239906.

It is an arithmetic number, because the mean of its divisors is an integer number (120093750).

Almost surely, 2^8734276440 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 8734276440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15372000000).

8734276440 is an abundant number, since it is smaller than the sum of its proper divisors (22009723560).

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

8734276440 is a wasteful number, since it uses less digits than its factorization.

8734276440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 8734276440 is about 93457.3509147354. The cubic root of 8734276440 is about 2059.4075997904.

The spelling of 8734276440 in words is "eight billion, seven hundred thirty-four million, two hundred seventy-six thousand, four hundred forty".