40775992 has 8 divisors (see below), whose sum is σ = 76455000. Its totient is φ = 20387992.

The previous prime is 40775981. The next prime is 40775993. The reversal of 40775992 is 29957704.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40775993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2548492 + ... + 2548507.

It is an arithmetic number, because the mean of its divisors is an integer number (9556875).

Almost surely, 2^40775992 is an apocalyptic number.

It is an amenable number.

40775992 is a deficient number, since it is larger than the sum of its proper divisors (35679008).

40775992 is a wasteful number, since it uses less digits than its factorization.

40775992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097005 (or 5097001 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 40775992 is about 6385.6081934300. The cubic root of 40775992 is about 344.1925864106.

The spelling of 40775992 in words is "forty million, seven hundred seventy-five thousand, nine hundred ninety-two".