40266146 has 16 divisors (see below), whose sum is σ = 64494144. Its totient is φ = 18808944.

The previous prime is 40266119. The next prime is 40266151. The reversal of 40266146 is 64166204.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8201 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4030884).

Almost surely, 2^40266146 is an apocalyptic number.

40266146 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40266146 is a deficient number, since it is larger than the sum of its proper divisors (24227998).

40266146 is a wasteful number, since it uses less digits than its factorization.

40266146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20425.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40266146 is about 6345.5611257004. The cubic root of 40266146 is about 342.7520186803.

The spelling of 40266146 in words is "forty million, two hundred sixty-six thousand, one hundred forty-six".