400043286429 has 8 divisors (see below), whose sum is σ = 536071406400. Its totient is φ = 265355345376.

The previous prime is 400043286389. The next prime is 400043286463. The reversal of 400043286429 is 924682340004.

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

It is not a de Polignac number, because 400043286429 - 2¹² = 400043282333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400043286469) 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, 335044032 + ... + 335045225.

It is an arithmetic number, because the mean of its divisors is an integer number (67008925800).

Almost surely, 2^400043286429 is an apocalyptic number.

It is an amenable number.

400043286429 is a deficient number, since it is larger than the sum of its proper divisors (136028119971).

400043286429 is a wasteful number, since it uses less digits than its factorization.

400043286429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670089459.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 400043286429 in words is "four hundred billion, forty-three million, two hundred eighty-six thousand, four hundred twenty-nine".