40266346 has 16 divisors (see below), whose sum is σ = 62237448. Its totient is φ = 19526400.

The previous prime is 40266337. The next prime is 40266383. The reversal of 40266346 is 64366204.

40266346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24354225 + 15912121 = 4935^2 + 3989^2 .

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 7 ways as a sum of consecutive naturals, for example, 13486 + ... + 16198.

Almost surely, 2^40266346 is an apocalyptic number.

40266346 is a deficient number, since it is larger than the sum of its proper divisors (21971102).

40266346 is a wasteful number, since it uses less digits than its factorization.

40266346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 40266346 is about 6345.5768847284. The cubic root of 40266346 is about 342.7525861570.

The spelling of 40266346 in words is "forty million, two hundred sixty-six thousand, three hundred forty-six".