400373066 has 16 divisors (see below), whose sum is σ = 605996640. Its totient is φ = 198382800.

The previous prime is 400373021. The next prime is 400373081. The reversal of 400373066 is 660373004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102041 + ... + 105891.

It is an arithmetic number, because the mean of its divisors is an integer number (37874790).

Almost surely, 2^400373066 is an apocalyptic number.

400373066 is a deficient number, since it is larger than the sum of its proper divisors (205623574).

400373066 is a wasteful number, since it uses less digits than its factorization.

400373066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 400373066 is about 20009.3244763535. The cubic root of 400373066 is about 737.0352930340.

The spelling of 400373066 in words is "four hundred million, three hundred seventy-three thousand, sixty-six".