40386382 has 4 divisors (see below), whose sum is σ = 60579576. Its totient is φ = 20193190.

The previous prime is 40386361. The next prime is 40386421. The reversal of 40386382 is 28368304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096594 + ... + 10096597.

It is an arithmetic number, because the mean of its divisors is an integer number (15144894).

Almost surely, 2^40386382 is an apocalyptic number.

40386382 is a deficient number, since it is larger than the sum of its proper divisors (20193194).

40386382 is a wasteful number, since it uses less digits than its factorization.

40386382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193193.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40386382 is about 6355.0280880575. The cubic root of 40386382 is about 343.0928358387.

The spelling of 40386382 in words is "forty million, three hundred eighty-six thousand, three hundred eighty-two".