40548432 has 80 divisors (see below), whose sum is σ = 111332160. Its totient is φ = 12681216.

The previous prime is 40548407. The next prime is 40548437. The reversal of 40548432 is 23484504.

40548432 is nontrivially palindromic in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40548432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40548437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157648 + ... + 157904.

It is an arithmetic number, because the mean of its divisors is an integer number (1391652).

Almost surely, 2^40548432 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 40548432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55666080).

40548432 is an abundant number, since it is smaller than the sum of its proper divisors (70783728).

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

40548432 is a wasteful number, since it uses less digits than its factorization.

40548432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 40548432 is about 6367.7650710434. The cubic root of 40548432 is about 343.5511090998.

The spelling of 40548432 in words is "forty million, five hundred forty-eight thousand, four hundred thirty-two".