40593840 has 160 divisors (see below), whose sum is σ = 146228736. Its totient is φ = 9123840.

The previous prime is 40593809. The next prime is 40593851. The reversal of 40593840 is 4839504.

40593840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 122475 + ... + 122805.

Almost surely, 2^40593840 is an apocalyptic number.

40593840 is a gapful number since it is divisible by the number (40) 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 40593840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73114368).

40593840 is an abundant number, since it is smaller than the sum of its proper divisors (105634896).

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

40593840 is a wasteful number, since it uses less digits than its factorization.

40593840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40593840 is about 6371.3295315813. The cubic root of 40593840 is about 343.6793027062.

The spelling of 40593840 in words is "forty million, five hundred ninety-three thousand, eight hundred forty".