40934144 has 18 divisors (see below), whose sum is σ = 81708900. Its totient is φ = 20466944.

The previous prime is 40934143. The next prime is 40934171. The reversal of 40934144 is 44143904.

It is not an unprimeable number, because it can be changed into a prime (40934143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79694 + ... + 80205.

Almost surely, 2^40934144 is an apocalyptic number.

It is an amenable number.

40934144 is a deficient number, since it is larger than the sum of its proper divisors (40774756).

40934144 is an equidigital number, since it uses as much as digits as its factorization.

40934144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159915 (or 159901 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40934144 is about 6397.9796811181. The cubic root of 40934144 is about 344.6370025031.

The spelling of 40934144 in words is "forty million, nine hundred thirty-four thousand, one hundred forty-four".