400506766273 has 8 divisors (see below), whose sum is σ = 415733569920. Its totient is φ = 385559353680.

The previous prime is 400506766259. The next prime is 400506766301. The reversal of 400506766273 is 372667605004.

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 400506766273 - 2²⁹ = 399969895361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400506767273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69844843 + ... + 69850576.

It is an arithmetic number, because the mean of its divisors is an integer number (51966696240).

Almost surely, 2^400506766273 is an apocalyptic number.

It is an amenable number.

400506766273 is a deficient number, since it is larger than the sum of its proper divisors (15226803647).

400506766273 is a wasteful number, since it uses less digits than its factorization.

400506766273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139695527.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 400506766273 in words is "four hundred billion, five hundred six million, seven hundred sixty-six thousand, two hundred seventy-three".