40839480 has 96 divisors (see below), whose sum is σ = 144808560. Its totient is φ = 9899520.

The previous prime is 40839433. The next prime is 40839497. The reversal of 40839480 is 8493804.

40839480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1197 + ... + 9116.

Almost surely, 2^40839480 is an apocalyptic number.

40839480 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 40839480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72404280).

40839480 is an abundant number, since it is smaller than the sum of its proper divisors (103969080).

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

40839480 is a wasteful number, since it uses less digits than its factorization.

40839480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341 (or 10334 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40839480 is about 6390.5774386983. The cubic root of 40839480 is about 344.3711291139.

The spelling of 40839480 in words is "forty million, eight hundred thirty-nine thousand, four hundred eighty".