40445603 has 8 divisors (see below), whose sum is σ = 44420400. Its totient is φ = 36520480.

The previous prime is 40445599. The next prime is 40445609. The reversal of 40445603 is 30654404.

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 40445603 - 2² = 40445599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40445609) 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, 10700 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (5552550).

Almost surely, 2^40445603 is an apocalyptic number.

40445603 is a deficient number, since it is larger than the sum of its proper divisors (3974797).

40445603 is a wasteful number, since it uses less digits than its factorization.

40445603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24837.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40445603 is about 6359.6857626773. The cubic root of 40445603 is about 343.2604532103.

The spelling of 40445603 in words is "forty million, four hundred forty-five thousand, six hundred three".