40100684 has 24 divisors (see below), whose sum is σ = 78862560. Its totient is φ = 17702784.

The previous prime is 40100663. The next prime is 40100693. The reversal of 40100684 is 48600104.

It is a happy number.

40100684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15569 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (3285940).

Almost surely, 2^40100684 is an apocalyptic number.

It is an amenable number.

40100684 is a deficient number, since it is larger than the sum of its proper divisors (38761876).

40100684 is a wasteful number, since it uses less digits than its factorization.

40100684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33569 (or 33567 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40100684 is about 6332.5100868455. The cubic root of 40100684 is about 342.2818942784.

Adding to 40100684 its reverse (48600104), we get a palindrome (88700788).

The spelling of 40100684 in words is "forty million, one hundred thousand, six hundred eighty-four".