400468766 has 4 divisors (see below), whose sum is σ = 600703152. Its totient is φ = 200234382.

The previous prime is 400468763. The next prime is 400468769. The reversal of 400468766 is 667864004.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (400468763) and next prime (400468769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400468763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100117190 + ... + 100117193.

It is an arithmetic number, because the mean of its divisors is an integer number (150175788).

Almost surely, 2^400468766 is an apocalyptic number.

400468766 is a deficient number, since it is larger than the sum of its proper divisors (200234386).

400468766 is a wasteful number, since it uses less digits than its factorization.

400468766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200234385.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 400468766 is about 20011.7157185485. The cubic root of 400468766 is about 737.0940121507.

The spelling of 400468766 in words is "four hundred million, four hundred sixty-eight thousand, seven hundred sixty-six".