40159477 has 8 divisors (see below), whose sum is σ = 41534720. Its totient is φ = 38789280.

The previous prime is 40159453. The next prime is 40159489. The reversal of 40159477 is 77495104.

40159477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40159477 - 2⁷ = 40159349 is a prime.

It is a super-2 number, since 2×40159477² = 3225567185827058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40159447) 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, 22033 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (5191840).

Almost surely, 2^40159477 is an apocalyptic number.

It is an amenable number.

40159477 is a deficient number, since it is larger than the sum of its proper divisors (1375243).

40159477 is a wasteful number, since it uses less digits than its factorization.

40159477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 40159477 is about 6337.1505426335. The cubic root of 40159477 is about 342.4490897032.

The spelling of 40159477 in words is "forty million, one hundred fifty-nine thousand, four hundred seventy-seven".