40700369 has 4 divisors (see below), whose sum is σ = 42103860. Its totient is φ = 39296880.

The previous prime is 40700357. The next prime is 40700411. The reversal of 40700369 is 96300704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15499969 + 25200400 = 3937^2 + 5020^2 .

It is a cyclic number.

It is not a de Polignac number, because 40700369 - 2⁴ = 40700353 is a prime.

It is a super-2 number, since 2×40700369² = 3313040073472322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1403461 = 40700369 / (4 + 0 + 7 + 0 + 0 + 3 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40700069) 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, 701702 + ... + 701759.

It is an arithmetic number, because the mean of its divisors is an integer number (10525965).

Almost surely, 2^40700369 is an apocalyptic number.

It is an amenable number.

40700369 is a deficient number, since it is larger than the sum of its proper divisors (1403491).

40700369 is a wasteful number, since it uses less digits than its factorization.

40700369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403490.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40700369 is about 6379.6840830875. The cubic root of 40700369 is about 343.9796753135.

The spelling of 40700369 in words is "forty million, seven hundred thousand, three hundred sixty-nine".