40987066 has 16 divisors (see below), whose sum is σ = 65001600. Its totient is φ = 19329408.

The previous prime is 40987061. The next prime is 40987087. The reversal of 40987066 is 66078904.

It is not an unprimeable number, because it can be changed into a prime (40987061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6826 + ... + 11338.

It is an arithmetic number, because the mean of its divisors is an integer number (4062600).

Almost surely, 2^40987066 is an apocalyptic number.

40987066 is a deficient number, since it is larger than the sum of its proper divisors (24014534).

40987066 is a wasteful number, since it uses less digits than its factorization.

40987066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 40987066 is about 6402.1141820496. The cubic root of 40987066 is about 344.7854606786.

The spelling of 40987066 in words is "forty million, nine hundred eighty-seven thousand, sixty-six".