40716140 has 12 divisors (see below), whose sum is σ = 85503936. Its totient is φ = 16286448.

The previous prime is 40716133. The next prime is 40716149. The reversal of 40716140 is 4161704.

It is not an unprimeable number, because it can be changed into a prime (40716149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017884 + ... + 1017923.

It is an arithmetic number, because the mean of its divisors is an integer number (7125328).

Almost surely, 2^40716140 is an apocalyptic number.

It is an amenable number.

40716140 is an abundant number, since it is smaller than the sum of its proper divisors (44787796).

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

40716140 is a wasteful number, since it uses less digits than its factorization.

40716140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035816 (or 2035814 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40716140 is about 6380.9199963642. The cubic root of 40716140 is about 344.0240991770.

Adding to 40716140 its reverse (4161704), we get a palindrome (44877844).

The spelling of 40716140 in words is "forty million, seven hundred sixteen thousand, one hundred forty".