40067944 has 16 divisors (see below), whose sum is σ = 85860000. Its totient is φ = 17171952.

The previous prime is 40067933. The next prime is 40067953. The reversal of 40067944 is 44976004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357694 + ... + 357805.

It is an arithmetic number, because the mean of its divisors is an integer number (5366250).

Almost surely, 2^40067944 is an apocalyptic number.

It is an amenable number.

40067944 is an abundant number, since it is smaller than the sum of its proper divisors (45792056).

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

40067944 is a wasteful number, since it uses less digits than its factorization.

40067944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715512 (or 715508 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40067944 is about 6329.9244861215. The cubic root of 40067944 is about 342.1887174772.

The spelling of 40067944 in words is "forty million, sixty-seven thousand, nine hundred forty-four".