40771858 has 8 divisors (see below), whose sum is σ = 61185852. Its totient is φ = 20376576.

The previous prime is 40771849. The next prime is 40771859. The reversal of 40771858 is 85817704.

It can be written as a sum of positive squares in 2 ways, for example, as 40487769 + 284089 = 6363^2 + 533^2 .

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

It is a super-3 number, since 3×40771858³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40771858.

It is not an unprimeable number, because it can be changed into a prime (40771859) 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, 3966 + ... + 9862.

Almost surely, 2^40771858 is an apocalyptic number.

40771858 is a deficient number, since it is larger than the sum of its proper divisors (20413994).

40771858 is a wasteful number, since it uses less digits than its factorization.

40771858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 40771858 is about 6385.2844885721. The cubic root of 40771858 is about 344.1809542371.

The spelling of 40771858 in words is "forty million, seven hundred seventy-one thousand, eight hundred fifty-eight".