40863782 has 4 divisors (see below), whose sum is σ = 61295676. Its totient is φ = 20431890.

The previous prime is 40863763. The next prime is 40863787. The reversal of 40863782 is 28736804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40863787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215944 + ... + 10215947.

It is an arithmetic number, because the mean of its divisors is an integer number (15323919).

Almost surely, 2^40863782 is an apocalyptic number.

40863782 is a deficient number, since it is larger than the sum of its proper divisors (20431894).

40863782 is a wasteful number, since it uses less digits than its factorization.

40863782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431893.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40863782 is about 6392.4785490450. The cubic root of 40863782 is about 344.4394228967.

The spelling of 40863782 in words is "forty million, eight hundred sixty-three thousand, seven hundred eighty-two".