40775775 has 24 divisors (see below), whose sum is σ = 71383824. Its totient is φ = 20467200.

The previous prime is 40775759. The next prime is 40775807. The reversal of 40775775 is 57757704.

It is a happy number.

It is not a de Polignac number, because 40775775 - 2⁴ = 40775759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14716 + ... + 17265.

It is an arithmetic number, because the mean of its divisors is an integer number (2974326).

Almost surely, 2^40775775 is an apocalyptic number.

40775775 is a deficient number, since it is larger than the sum of its proper divisors (30608049).

40775775 is a wasteful number, since it uses less digits than its factorization.

40775775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32011 (or 32006 counting only the distinct ones).

The product of its (nonzero) digits is 240100, while the sum is 42.

The square root of 40775775 is about 6385.5912020736. The cubic root of 40775775 is about 344.1919758396.

The spelling of 40775775 in words is "forty million, seven hundred seventy-five thousand, seven hundred seventy-five".