40770434 has 8 divisors (see below), whose sum is σ = 61217100. Its totient is φ = 20364736.

The previous prime is 40770413. The next prime is 40770439. The reversal of 40770434 is 43407704.

It can be written as a sum of positive squares in 2 ways, for example, as 40768225 + 2209 = 6385^2 + 47^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40770397 and 40770406.

It is not an unprimeable number, because it can be changed into a prime (40770439) 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, 7619 + ... + 11814.

Almost surely, 2^40770434 is an apocalyptic number.

40770434 is a deficient number, since it is larger than the sum of its proper divisors (20446666).

40770434 is a wasteful number, since it uses less digits than its factorization.

40770434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20484.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 40770434 is about 6385.1729812120. The cubic root of 40770434 is about 344.1769472299.

The spelling of 40770434 in words is "forty million, seven hundred seventy thousand, four hundred thirty-four".