8025782940 has 240 divisors, whose sum is σ = 29124006912. Its totient is φ = 1812150144.

The previous prime is 8025782939. The next prime is 8025782953. The reversal of 8025782940 is 492875208.

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 79 ways as a sum of consecutive naturals, for example, 936957 + ... + 945483.

Almost surely, 2^8025782940 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 8025782940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14562003456).

8025782940 is an abundant number, since it is smaller than the sum of its proper divisors (21098223972).

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

8025782940 is a wasteful number, since it uses less digits than its factorization.

8025782940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 8025782940 is about 89586.7341742068. The cubic root of 8025782940 is about 2002.1462742628.

The spelling of 8025782940 in words is "eight billion, twenty-five million, seven hundred eighty-two thousand, nine hundred forty".