40340860 has 48 divisors (see below), whose sum is σ = 97384896. Its totient is φ = 13750272.

The previous prime is 40340831. The next prime is 40340863. The reversal of 40340860 is 6804304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26274 + ... + 27766.

It is an arithmetic number, because the mean of its divisors is an integer number (2028852).

Almost surely, 2^40340860 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 40340860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48692448).

40340860 is an abundant number, since it is smaller than the sum of its proper divisors (57044036).

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

40340860 is a wasteful number, since it uses less digits than its factorization.

40340860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40340860 is about 6351.4455047650. The cubic root of 40340860 is about 342.9638802925.

The spelling of 40340860 in words is "forty million, three hundred forty thousand, eight hundred sixty".