40770609 has 8 divisors (see below), whose sum is σ = 59302752. Its totient is φ = 24709440.

The previous prime is 40770601. The next prime is 40770617. The reversal of 40770609 is 90607704.

It is an interprime number because it is at equal distance from previous prime (40770601) and next prime (40770617).

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

It is not a de Polignac number, because 40770609 - 2³ = 40770601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1235473 = 40770609 / (4 + 0 + 7 + 7 + 0 + 6 + 0 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 40770609.

It is not an unprimeable number, because it can be changed into a prime (40770601) 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, 617704 + ... + 617769.

It is an arithmetic number, because the mean of its divisors is an integer number (7412844).

Almost surely, 2^40770609 is an apocalyptic number.

It is an amenable number.

40770609 is a deficient number, since it is larger than the sum of its proper divisors (18532143).

40770609 is a wasteful number, since it uses less digits than its factorization.

40770609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235487.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 40770609 is about 6385.1866848198. The cubic root of 40770609 is about 344.1774396691.

The spelling of 40770609 in words is "forty million, seven hundred seventy thousand, six hundred nine".