40620678 has 32 divisors (see below), whose sum is σ = 93484800. Its totient is φ = 11526240.

The previous prime is 40620673. The next prime is 40620683. The reversal of 40620678 is 87602604.

40620678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40620673) and next prime (40620683).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620673) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (2921400).

Almost surely, 2^40620678 is an apocalyptic number.

40620678 is an abundant number, since it is smaller than the sum of its proper divisors (52864122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40620678 is a wasteful number, since it uses less digits than its factorization.

40620678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 40620678 is about 6373.4353373985. The cubic root of 40620678 is about 343.7550254692.

The spelling of 40620678 in words is "forty million, six hundred twenty thousand, six hundred seventy-eight".