8545273940 has 48 divisors (see below), whose sum is σ = 21588067200. Its totient is φ = 2775606912.

The previous prime is 8545273937. The next prime is 8545273967. The reversal of 8545273940 is 493725458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603595 + ... + 1608914.

It is an arithmetic number, because the mean of its divisors is an integer number (449751400).

Almost surely, 2^8545273940 is an apocalyptic number.

It is an amenable number.

8545273940 is an abundant number, since it is smaller than the sum of its proper divisors (13042793260).

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

8545273940 is a wasteful number, since it uses less digits than its factorization.

8545273940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212544 (or 3212542 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 8545273940 is about 92440.6509064059. The cubic root of 8545273940 is about 2044.4445212687. Note that the first 3 decimals are identical.

The spelling of 8545273940 in words is "eight billion, five hundred forty-five million, two hundred seventy-three thousand, nine hundred forty".