40287907029 has 4 divisors (see below), whose sum is σ = 53717209376. Its totient is φ = 26858604684.

The previous prime is 40287907019. The next prime is 40287907031. The reversal of 40287907029 is 92070978204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40287907029 - 2¹¹ = 40287904981 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 (40287907019) 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, 6714651169 + ... + 6714651174.

It is an arithmetic number, because the mean of its divisors is an integer number (13429302344).

Almost surely, 2^40287907029 is an apocalyptic number.

It is an amenable number.

40287907029 is a deficient number, since it is larger than the sum of its proper divisors (13429302347).

40287907029 is a wasteful number, since it uses less digits than its factorization.

40287907029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13429302346.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 40287907029 in words is "forty billion, two hundred eighty-seven million, nine hundred seven thousand, twenty-nine".