400420060446 has 32 divisors (see below), whose sum is σ = 930249888768. Its totient is φ = 112530227040.

The previous prime is 400420060423. The next prime is 400420060457. The reversal of 400420060446 is 644060024004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78143430 + ... + 78148553.

It is an arithmetic number, because the mean of its divisors is an integer number (29070309024).

Almost surely, 2^400420060446 is an apocalyptic number.

400420060446 is an abundant number, since it is smaller than the sum of its proper divisors (529829828322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400420060446 is a wasteful number, since it uses less digits than its factorization.

400420060446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156292056.

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 400420060446 in words is "four hundred billion, four hundred twenty million, sixty thousand, four hundred forty-six".