40266404 has 48 divisors (see below), whose sum is σ = 78236928. Its totient is φ = 18052608.

The previous prime is 40266403. The next prime is 40266407. The reversal of 40266404 is 40466204.

40266404 = T₅₉ + T₆₀ + ... + T₆₂₂.

It is not an unprimeable number, because it can be changed into a prime (40266403) 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, 137282 + ... + 137574.

It is an arithmetic number, because the mean of its divisors is an integer number (1629936).

Almost surely, 2^40266404 is an apocalyptic number.

It is an amenable number.

40266404 is a deficient number, since it is larger than the sum of its proper divisors (37970524).

40266404 is a wasteful number, since it uses less digits than its factorization.

40266404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40266404 is about 6345.5814548393. The cubic root of 40266404 is about 342.7527507248.

The spelling of 40266404 in words is "forty million, two hundred sixty-six thousand, four hundred four".