40555831029 has 24 divisors (see below), whose sum is σ = 63934131168. Its totient is φ = 22794841440.

The previous prime is 40555831021. The next prime is 40555831031. The reversal of 40555831029 is 92013855504.

It is not a de Polignac number, because 40555831029 - 2³ = 40555831021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40555831021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2252427 + ... + 2270360.

It is an arithmetic number, because the mean of its divisors is an integer number (2663922132).

Almost surely, 2^40555831029 is an apocalyptic number.

40555831029 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40555831029 is a deficient number, since it is larger than the sum of its proper divisors (23378300139).

40555831029 is a wasteful number, since it uses less digits than its factorization.

40555831029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522865 (or 4522858 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 40555831029 in words is "forty billion, five hundred fifty-five million, eight hundred thirty-one thousand, twenty-nine".