400273667 has 8 divisors (see below), whose sum is σ = 409453056. Its totient is φ = 391121992.

The previous prime is 400273663. The next prime is 400273691. The reversal of 400273667 is 766372004.

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 400273667 - 2² = 400273663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400273663) 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, 23828 + ... + 36990.

It is an arithmetic number, because the mean of its divisors is an integer number (51181632).

Almost surely, 2^400273667 is an apocalyptic number.

400273667 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

400273667 is a deficient number, since it is larger than the sum of its proper divisors (9179389).

400273667 is a wasteful number, since it uses less digits than its factorization.

400273667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13857.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 400273667 is about 20006.8405051872. The cubic root of 400273667 is about 736.9742943964.

The spelling of 400273667 in words is "four hundred million, two hundred seventy-three thousand, six hundred sixty-seven".