8081407340 has 24 divisors (see below), whose sum is σ = 17224256112. Its totient is φ = 3184315200.

The previous prime is 8081407337. The next prime is 8081407343. The reversal of 8081407340 is 437041808.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8081407337) and next prime (8081407343).

It is a self number, because there is not a number n which added to its sum of digits gives 8081407340.

It is not an unprimeable number, because it can be changed into a prime (8081407343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014111 + ... + 3016790.

It is an arithmetic number, because the mean of its divisors is an integer number (717677338).

Almost surely, 2^8081407340 is an apocalyptic number.

It is an amenable number.

8081407340 is an abundant number, since it is smaller than the sum of its proper divisors (9142848772).

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

8081407340 is a wasteful number, since it uses less digits than its factorization.

8081407340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030977 (or 6030975 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8081407340 is about 89896.6481021400. The cubic root of 8081407340 is about 2006.7610632567.

The spelling of 8081407340 in words is "eight billion, eighty-one million, four hundred seven thousand, three hundred forty".