401256200226444 has 24 divisors (see below), whose sum is σ = 941437199063088. Its totient is φ = 133013105046720.

The previous prime is 401256200226433. The next prime is 401256200226491. The reversal of 401256200226444 is 444622002652104.

It is a super-2 number, since 2×401256200226444² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401256200226396 and 401256200226405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92370209667 + ... + 92370214010.

It is an arithmetic number, because the mean of its divisors is an integer number (39226549960962).

Almost surely, 2^{401256200226444} is an apocalyptic number.

It is an amenable number.

401256200226444 is an abundant number, since it is smaller than the sum of its proper divisors (540180998836644).

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

401256200226444 is a wasteful number, since it uses less digits than its factorization.

401256200226444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184740423865 (or 184740423863 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 42.

Adding to 401256200226444 its reverse (444622002652104), we get a palindrome (845878202878548).

The spelling of 401256200226444 in words is "four hundred one trillion, two hundred fifty-six billion, two hundred million, two hundred twenty-six thousand, four hundred forty-four".