40055382 has 48 divisors (see below), whose sum is σ = 92018160. Its totient is φ = 12557376.

The previous prime is 40055369. The next prime is 40055437. The reversal of 40055382 is 28355004.

It is a congruent number.

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, 58828 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (1917045).

Almost surely, 2^40055382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40055382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46009080).

40055382 is an abundant number, since it is smaller than the sum of its proper divisors (51962778).

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

40055382 is a wasteful number, since it uses less digits than its factorization.

40055382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40055382 is about 6328.9321374147. The cubic root of 40055382 is about 342.1529530270.

The spelling of 40055382 in words is "forty million, fifty-five thousand, three hundred eighty-two".