40513807 has 16 divisors (see below), whose sum is σ = 43130880. Its totient is φ = 38001600.

The previous prime is 40513801. The next prime is 40513829. The reversal of 40513807 is 70831504.

It is a cyclic number.

It is not a de Polignac number, because 40513807 - 2³ = 40513799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40513801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173763 + ... + 173995.

It is an arithmetic number, because the mean of its divisors is an integer number (2695680).

Almost surely, 2^40513807 is an apocalyptic number.

40513807 is a deficient number, since it is larger than the sum of its proper divisors (2617073).

40513807 is a wasteful number, since it uses less digits than its factorization.

40513807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40513807 is about 6365.0457186104. The cubic root of 40513807 is about 343.4532931952.

The spelling of 40513807 in words is "forty million, five hundred thirteen thousand, eight hundred seven".