400422401031346 has 8 divisors (see below), whose sum is σ = 601271894431404. Its totient is φ = 199998436220880.

The previous prime is 400422401031319. The next prime is 400422401031347. The reversal of 400422401031346 is 643130104224004.

It can be written as a sum of positive squares in 2 ways, for example, as 351708352624321 + 48714048407025 = 18753889^2 + 6979545^2 .

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

It is not an unprimeable number, because it can be changed into a prime (400422401031347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106382145045 + ... + 106382148808.

Almost surely, 2^{400422401031346} is an apocalyptic number.

400422401031346 is a deficient number, since it is larger than the sum of its proper divisors (200849493400058).

400422401031346 is a wasteful number, since it uses less digits than its factorization.

400422401031346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212764294796.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 400422401031346 in words is "four hundred trillion, four hundred twenty-two billion, four hundred one million, thirty-one thousand, three hundred forty-six".