40266099 has 16 divisors (see below), whose sum is σ = 60236800. Its totient is φ = 26581608.

The previous prime is 40266071. The next prime is 40266119. The reversal of 40266099 is 99066204.

40266099 is a `hidden beast` number, since 40 + 2 + 6 + 609 + 9 = 666.

It is not a de Polignac number, because 40266099 - 2⁵ = 40266067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40266019) 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, 4459 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (3764800).

Almost surely, 2^40266099 is an apocalyptic number.

40266099 is a deficient number, since it is larger than the sum of its proper divisors (19970701).

40266099 is a wasteful number, since it uses less digits than its factorization.

40266099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591 (or 14585 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40266099 is about 6345.5574223231. The cubic root of 40266099 is about 342.7518853231.

The spelling of 40266099 in words is "forty million, two hundred sixty-six thousand, ninety-nine".