40420606 has 8 divisors (see below), whose sum is σ = 62721720. Its totient is φ = 19513368.

The previous prime is 40420573. The next prime is 40420643. The reversal of 40420606 is 60602404.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348396 + ... + 348511.

It is an arithmetic number, because the mean of its divisors is an integer number (7840215).

Almost surely, 2^40420606 is an apocalyptic number.

40420606 is a deficient number, since it is larger than the sum of its proper divisors (22301114).

40420606 is a wasteful number, since it uses less digits than its factorization.

40420606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696938.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40420606 is about 6357.7201888727. The cubic root of 40420606 is about 343.1897224080.

The spelling of 40420606 in words is "forty million, four hundred twenty thousand, six hundred six".