40547892 has 72 divisors (see below), whose sum is σ = 120083040. Its totient is φ = 10530240.

The previous prime is 40547861. The next prime is 40547911. The reversal of 40547892 is 29874504.

40547892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40547892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3334 + ... + 9602.

It is an arithmetic number, because the mean of its divisors is an integer number (1667820).

Almost surely, 2^40547892 is an apocalyptic number.

40547892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40547892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60041520).

40547892 is an abundant number, since it is smaller than the sum of its proper divisors (79535148).

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

40547892 is a wasteful number, since it uses less digits than its factorization.

40547892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40547892 is about 6367.7226698405. The cubic root of 40547892 is about 343.5495840230.

The spelling of 40547892 in words is "forty million, five hundred forty-seven thousand, eight hundred ninety-two".