40423077 has 8 divisors (see below), whose sum is σ = 59886080. Its totient is φ = 26948700.

The previous prime is 40423073. The next prime is 40423079. The reversal of 40423077 is 77032404.

40423077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40423077 - 2² = 40423073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1497151 = 40423077 / (4 + 0 + 4 + 2 + 3 + 0 + 7 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40423077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748549 + ... + 748602.

It is an arithmetic number, because the mean of its divisors is an integer number (7485760).

Almost surely, 2^40423077 is an apocalyptic number.

It is an amenable number.

40423077 is a deficient number, since it is larger than the sum of its proper divisors (19463003).

40423077 is a wasteful number, since it uses less digits than its factorization.

40423077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497160 (or 1497154 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40423077 is about 6357.9145165691. The cubic root of 40423077 is about 343.1967155781.

The spelling of 40423077 in words is "forty million, four hundred twenty-three thousand, seventy-seven".