40534477 has 4 divisors (see below), whose sum is σ = 42918876. Its totient is φ = 38150080.

The previous prime is 40534469. The next prime is 40534493. The reversal of 40534477 is 77443504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28933641 + 11600836 = 5379^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 40534477 - 2³ = 40534469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192174 + ... + 1192207.

It is an arithmetic number, because the mean of its divisors is an integer number (10729719).

Almost surely, 2^40534477 is an apocalyptic number.

It is an amenable number.

40534477 is a deficient number, since it is larger than the sum of its proper divisors (2384399).

40534477 is a wasteful number, since it uses less digits than its factorization.

40534477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384398.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 40534477 is about 6366.6692233852. The cubic root of 40534477 is about 343.5116928135.

The spelling of 40534477 in words is "forty million, five hundred thirty-four thousand, four hundred seventy-seven".