40034709 has 32 divisors (see below), whose sum is σ = 69686400. Its totient is φ = 22394880.

The previous prime is 40034707. The next prime is 40034723. The reversal of 40034709 is 90743004.

It is not a de Polignac number, because 40034709 - 2¹ = 40034707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40034707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (2177700).

Almost surely, 2^40034709 is an apocalyptic number.

It is an amenable number.

40034709 is a deficient number, since it is larger than the sum of its proper divisors (29651691).

40034709 is a wasteful number, since it uses less digits than its factorization.

40034709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10396 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40034709 is about 6327.2987127209. The cubic root of 40034709 is about 342.0940799961.

The spelling of 40034709 in words is "forty million, thirty-four thousand, seven hundred nine".