8262743940 has 432 divisors, whose sum is σ = 29767570560. Its totient is φ = 1847577600.

The previous prime is 8262743927. The next prime is 8262743941. The reversal of 8262743940 is 493472628.

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

It is not an unprimeable number, because it can be changed into a prime (8262743941) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16966377 + ... + 16966863.

Almost surely, 2^8262743940 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 8262743940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14883785280).

8262743940 is an abundant number, since it is smaller than the sum of its proper divisors (21504826620).

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

8262743940 is a wasteful number, since it uses less digits than its factorization.

8262743940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 8262743940 is about 90899.6366329371. The cubic root of 8262743940 is about 2021.6599057598.

The spelling of 8262743940 in words is "eight billion, two hundred sixty-two million, seven hundred forty-three thousand, nine hundred forty".