40066436 has 12 divisors (see below), whose sum is σ = 71104320. Its totient is φ = 19750920.

The previous prime is 40066427. The next prime is 40066457. The reversal of 40066436 is 63466004.

It is a junction number, because it is equal to n+sod(n) for n = 40066399 and 40066408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70256 + ... + 70823.

It is an arithmetic number, because the mean of its divisors is an integer number (5925360).

Almost surely, 2^40066436 is an apocalyptic number.

It is an amenable number.

40066436 is a deficient number, since it is larger than the sum of its proper divisors (31037884).

40066436 is a wasteful number, since it uses less digits than its factorization.

40066436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141154 (or 141152 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 40066436 is about 6329.8053682558. The cubic root of 40066436 is about 342.1844245437.

The spelling of 40066436 in words is "forty million, sixty-six thousand, four hundred thirty-six".