40620885 has 16 divisors (see below), whose sum is σ = 65150784. Its totient is φ = 21612032.

The previous prime is 40620869. The next prime is 40620889. The reversal of 40620885 is 58802604.

It is a cyclic number.

It is not a de Polignac number, because 40620885 - 2⁴ = 40620869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (4071924).

Almost surely, 2^40620885 is an apocalyptic number.

It is an amenable number.

40620885 is a deficient number, since it is larger than the sum of its proper divisors (24529899).

40620885 is a wasteful number, since it uses less digits than its factorization.

40620885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 40620885 is about 6373.4515766577. The cubic root of 40620885 is about 343.7556093850.

The spelling of 40620885 in words is "forty million, six hundred twenty thousand, eight hundred eighty-five".