40621382 has 8 divisors (see below), whose sum is σ = 61965000. Its totient is φ = 19966384.

The previous prime is 40621379. The next prime is 40621387. The reversal of 40621382 is 28312604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172007 + ... + 172242.

It is an arithmetic number, because the mean of its divisors is an integer number (7745625).

Almost surely, 2^40621382 is an apocalyptic number.

40621382 is a deficient number, since it is larger than the sum of its proper divisors (21343618).

40621382 is a wasteful number, since it uses less digits than its factorization.

40621382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344310.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40621382 is about 6373.4905664008. The cubic root of 40621382 is about 343.7570113391.

Adding to 40621382 its reverse (28312604), we get a palindrome (68933986).

The spelling of 40621382 in words is "forty million, six hundred twenty-one thousand, three hundred eighty-two".