40124064 has 24 divisors (see below), whose sum is σ = 105325920. Its totient is φ = 13374656.

The previous prime is 40124059. The next prime is 40124087. The reversal of 40124064 is 46042104.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40124064.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 208884 + ... + 209075.

It is an arithmetic number, because the mean of its divisors is an integer number (4388580).

Almost surely, 2^40124064 is an apocalyptic number.

It is an amenable number.

40124064 is an abundant number, since it is smaller than the sum of its proper divisors (65201856).

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

40124064 is a wasteful number, since it uses less digits than its factorization.

40124064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417972 (or 417964 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40124064 is about 6334.3558472823. The cubic root of 40124064 is about 342.3484018384.

Adding to 40124064 its reverse (46042104), we get a palindrome (86166168).

The spelling of 40124064 in words is "forty million, one hundred twenty-four thousand, sixty-four".