401081922248 has 108 divisors (see below), whose sum is σ = 906836959665. Its totient is φ = 165814466496.

The previous prime is 401081922229. The next prime is 401081922251. The reversal of 401081922248 is 842229180104.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 400843466884 + 238455364 = 633122^2 + 15442^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=447818.

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, 363627665 + ... + 363628767.

Almost surely, 2^401081922248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401081922248

401081922248 is an abundant number, since it is smaller than the sum of its proper divisors (505755037417).

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

401081922248 is an equidigital number, since it uses as much as digits as its factorization.

401081922248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 401081922248 in words is "four hundred one billion, eighty-one million, nine hundred twenty-two thousand, two hundred forty-eight".