40113066 has 96 divisors (see below), whose sum is σ = 101122560. Its totient is φ = 10541664.

The previous prime is 40113053. The next prime is 40113131. The reversal of 40113066 is 66031104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240115 + ... + 240281.

It is an arithmetic number, because the mean of its divisors is an integer number (1053360).

Almost surely, 2^40113066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40113066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50561280).

40113066 is an abundant number, since it is smaller than the sum of its proper divisors (61009494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40113066 is a wasteful number, since it uses less digits than its factorization.

40113066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40113066 is about 6333.4876647863. The cubic root of 40113066 is about 342.3171197647.

The spelling of 40113066 in words is "forty million, one hundred thirteen thousand, sixty-six".