40670445 has 8 divisors (see below), whose sum is σ = 65072736. Its totient is φ = 21690896.

The previous prime is 40670423. The next prime is 40670447. The reversal of 40670445 is 54407604.

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 40670445 - 2⁶ = 40670381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355667 + ... + 1355696.

It is an arithmetic number, because the mean of its divisors is an integer number (8134092).

Almost surely, 2^40670445 is an apocalyptic number.

It is an amenable number.

40670445 is a deficient number, since it is larger than the sum of its proper divisors (24402291).

40670445 is a wasteful number, since it uses less digits than its factorization.

40670445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711371.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40670445 is about 6377.3383946596. The cubic root of 40670445 is about 343.8953536254.

The spelling of 40670445 in words is "forty million, six hundred seventy thousand, four hundred forty-five".