40424421129 has 8 divisors (see below), whose sum is σ = 53900505792. Its totient is φ = 26948975280.

The previous prime is 40424421101. The next prime is 40424421133. The reversal of 40424421129 is 92112442404.

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

It is not a de Polignac number, because 40424421129 - 2¹⁷ = 40424290057 is a prime.

It is a super-2 number, since 2×40424421129² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40424421129.

It is not an unprimeable number, because it can be changed into a prime (40424421139) 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, 15372 + ... + 284754.

It is an arithmetic number, because the mean of its divisors is an integer number (6737563224).

Almost surely, 2^40424421129 is an apocalyptic number.

It is an amenable number.

40424421129 is a deficient number, since it is larger than the sum of its proper divisors (13476084663).

40424421129 is a wasteful number, since it uses less digits than its factorization.

40424421129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319407.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 40424421129 in words is "forty billion, four hundred twenty-four million, four hundred twenty-one thousand, one hundred twenty-nine".