40290691529 has 8 divisors (see below), whose sum is σ = 43955976672. Its totient is φ = 36625822240.

The previous prime is 40290691523. The next prime is 40290691619. The reversal of 40290691529 is 92519609204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40290691529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40290691523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119522 + ... + 308004.

It is an arithmetic number, because the mean of its divisors is an integer number (5494497084).

Almost surely, 2^40290691529 is an apocalyptic number.

It is an amenable number.

40290691529 is a deficient number, since it is larger than the sum of its proper divisors (3665285143).

40290691529 is a wasteful number, since it uses less digits than its factorization.

40290691529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207927.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 40290691529 in words is "forty billion, two hundred ninety million, six hundred ninety-one thousand, five hundred twenty-nine".