401446425604 has 81 divisors (see below), whose sum is σ = 825198090759. Its totient is φ = 170387174160.

The previous prime is 401446425599. The next prime is 401446425613. The reversal of 401446425604 is 406524644104.

The square root of 401446425604 is 633598.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×401446425604² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1481351989 + ... + 1481352259.

Almost surely, 2^401446425604 is an apocalyptic number.

401446425604 is the 633598-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401446425604

401446425604 is an abundant number, since it is smaller than the sum of its proper divisors (423751665155).

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

401446425604 is an equidigital number, since it uses as much as digits as its factorization.

401446425604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 401446425604 in words is "four hundred one billion, four hundred forty-six million, four hundred twenty-five thousand, six hundred four".