40620806 has 8 divisors (see below), whose sum is σ = 63580464. Its totient is φ = 19427320.

The previous prime is 40620799. The next prime is 40620817. The reversal of 40620806 is 60802604.

40620806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×40620806³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441485 + ... + 441576.

It is an arithmetic number, because the mean of its divisors is an integer number (7947558).

Almost surely, 2^40620806 is an apocalyptic number.

40620806 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40620806 is a deficient number, since it is larger than the sum of its proper divisors (22959658).

40620806 is a wasteful number, since it uses less digits than its factorization.

40620806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883086.

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

The square root of 40620806 is about 6373.4453790709. The cubic root of 40620806 is about 343.7553865382.

It can be divided in two parts, 406 and 20806, that added together give a palindrome (21212).

The spelling of 40620806 in words is "forty million, six hundred twenty thousand, eight hundred six".