40381704 has 96 divisors (see below), whose sum is σ = 121249440. Its totient is φ = 12038400.

The previous prime is 40381673. The next prime is 40381723. The reversal of 40381704 is 40718304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52684 + ... + 53444.

It is an arithmetic number, because the mean of its divisors is an integer number (1263015).

Almost surely, 2^40381704 is an apocalyptic number.

40381704 is a gapful number since it is divisible by the number (44) 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 40381704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60624720).

40381704 is an abundant number, since it is smaller than the sum of its proper divisors (80867736).

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

40381704 is a wasteful number, since it uses less digits than its factorization.

40381704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40381704 is about 6354.6600223773. The cubic root of 40381704 is about 343.0795883843.

The spelling of 40381704 in words is "forty million, three hundred eighty-one thousand, seven hundred four".