40696507 has 4 divisors (see below), whose sum is σ = 40814136. Its totient is φ = 40578880.

The previous prime is 40696493. The next prime is 40696517. The reversal of 40696507 is 70569604.

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

It is a cyclic number.

It is not a de Polignac number, because 40696507 - 2⁷ = 40696379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40696517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58294 + ... + 58987.

It is an arithmetic number, because the mean of its divisors is an integer number (10203534).

Almost surely, 2^40696507 is an apocalyptic number.

40696507 is a deficient number, since it is larger than the sum of its proper divisors (117629).

40696507 is a wasteful number, since it uses less digits than its factorization.

40696507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117628.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 40696507 is about 6379.3813963424. The cubic root of 40696507 is about 343.9687950557.

The spelling of 40696507 in words is "forty million, six hundred ninety-six thousand, five hundred seven".