40828909429 has 8 divisors (see below), whose sum is σ = 50903575488. Its totient is φ = 31814734560.

The previous prime is 40828909427. The next prime is 40828909439. The reversal of 40828909429 is 92490982804.

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

It is not a de Polignac number, because 40828909429 - 2¹ = 40828909427 is a prime.

It is a super-2 number, since 2×40828909429² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40828909429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40828909421) 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, 265122712 + ... + 265122865.

It is an arithmetic number, because the mean of its divisors is an integer number (6362946936).

Almost surely, 2^40828909429 is an apocalyptic number.

It is an amenable number.

40828909429 is a deficient number, since it is larger than the sum of its proper divisors (10074666059).

40828909429 is a wasteful number, since it uses less digits than its factorization.

40828909429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530245595.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 40828909429 in words is "forty billion, eight hundred twenty-eight million, nine hundred nine thousand, four hundred twenty-nine".