40911994 has 16 divisors (see below), whose sum is σ = 62088768. Its totient is φ = 20217472.

The previous prime is 40911977. The next prime is 40912007. The reversal of 40911994 is 49911904.

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 7 ways as a sum of consecutive naturals, for example, 115722 + ... + 116074.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^40911994 is an apocalyptic number.

40911994 is a deficient number, since it is larger than the sum of its proper divisors (21176774).

40911994 is a wasteful number, since it uses less digits than its factorization.

40911994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 40911994 is about 6396.2484316981. The cubic root of 40911994 is about 344.5748287595.

It can be divided in two parts, 40911 and 994, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 40911994 in words is "forty million, nine hundred eleven thousand, nine hundred ninety-four".