8021092740 has 48 divisors (see below), whose sum is σ = 22495800768. Its totient is φ = 2135458944.

The previous prime is 8021092633. The next prime is 8021092747. The reversal of 8021092740 is 472901208.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8021092747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72262 + ... + 145821.

It is an arithmetic number, because the mean of its divisors is an integer number (468662516).

Almost surely, 2^8021092740 is an apocalyptic number.

It is an amenable number.

8021092740 is an abundant number, since it is smaller than the sum of its proper divisors (14474708028).

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

8021092740 is a wasteful number, since it uses less digits than its factorization.

8021092740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218708 (or 218706 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8021092740 is about 89560.5534819878. The cubic root of 8021092740 is about 2001.7561857877.

Adding to 8021092740 its reverse (472901208), we get a palindrome (8493993948).

The spelling of 8021092740 in words is "eight billion, twenty-one million, ninety-two thousand, seven hundred forty".