40543944 has 32 divisors (see below), whose sum is σ = 115840320. Its totient is φ = 11583936.

The previous prime is 40543933. The next prime is 40543961. The reversal of 40543944 is 44934504.

It is a super-2 number, since 2×40543944² = 3287622790150272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120499 + ... + 120834.

It is an arithmetic number, because the mean of its divisors is an integer number (3620010).

Almost surely, 2^40543944 is an apocalyptic number.

It is an amenable number.

40543944 is an abundant number, since it is smaller than the sum of its proper divisors (75296376).

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

40543944 is a wasteful number, since it uses less digits than its factorization.

40543944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241349 (or 241345 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 40543944 is about 6367.4126613563. The cubic root of 40543944 is about 343.5384336055.

The spelling of 40543944 in words is "forty million, five hundred forty-three thousand, nine hundred forty-four".