40016680 has 32 divisors (see below), whose sum is σ = 98223840. Its totient is φ = 14551360.

The previous prime is 40016651. The next prime is 40016687. The reversal of 40016680 is 8661004.

It is not an unprimeable number, because it can be changed into a prime (40016687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45034 + ... + 45913.

It is an arithmetic number, because the mean of its divisors is an integer number (3069495).

Almost surely, 2^40016680 is an apocalyptic number.

40016680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40016680 is an abundant number, since it is smaller than the sum of its proper divisors (58207160).

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

40016680 is a wasteful number, since it uses less digits than its factorization.

40016680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90969 (or 90965 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40016680 is about 6325.8738526784. The cubic root of 40016680 is about 342.0427200605.

Adding to 40016680 its reverse (8661004), we get a palindrome (48677684).

The spelling of 40016680 in words is "forty million, sixteen thousand, six hundred eighty".