40394129413 has 8 divisors (see below), whose sum is σ = 44069538240. Its totient is φ = 36719256480.

The previous prime is 40394129411. The next prime is 40394129459. The reversal of 40394129413 is 31492149304.

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

It is a cyclic number.

It is not a de Polignac number, because 40394129413 - 2¹ = 40394129411 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 (40394129411) 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, 32656 + ... + 286102.

It is an arithmetic number, because the mean of its divisors is an integer number (5508692280).

Almost surely, 2^40394129413 is an apocalyptic number.

It is an amenable number.

40394129413 is a deficient number, since it is larger than the sum of its proper divisors (3675408827).

40394129413 is a wasteful number, since it uses less digits than its factorization.

40394129413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267947.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 40394129413 in words is "forty billion, three hundred ninety-four million, one hundred twenty-nine thousand, four hundred thirteen".