400727215346 has 16 divisors (see below), whose sum is σ = 656979724800. Its totient is φ = 182494367040.

The previous prime is 400727215327. The next prime is 400727215457. The reversal of 400727215346 is 643512727004.

It is a super-2 number, since 2×400727215346² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 190097246 + ... + 190099353.

It is an arithmetic number, because the mean of its divisors is an integer number (41061232800).

Almost surely, 2^400727215346 is an apocalyptic number.

400727215346 is a deficient number, since it is larger than the sum of its proper divisors (256252509454).

400727215346 is a wasteful number, since it uses less digits than its factorization.

400727215346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380196649.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 400727215346 in words is "four hundred billion, seven hundred twenty-seven million, two hundred fifteen thousand, three hundred forty-six".