401912442048 has 56 divisors (see below), whose sum is σ = 1145192830768. Its totient is φ = 123665366016.

The previous prime is 401912442047. The next prime is 401912442053. The reversal of 401912442048 is 840244219104.

It is a happy number.

It is a super-2 number, since 2×401912442048² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 401912441997 and 401912442015.

It is not an unprimeable number, because it can be changed into a prime (401912442047) by changing a digit.

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, 80508811 + ... + 80513802.

It is an arithmetic number, because the mean of its divisors is an integer number (20449871978).

Almost surely, 2^401912442048 is an apocalyptic number.

401912442048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401912442048 is an abundant number, since it is smaller than the sum of its proper divisors (743280388720).

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

401912442048 is a wasteful number, since it uses less digits than its factorization.

401912442048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161022641 (or 161022631 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 401912442048 in words is "four hundred one billion, nine hundred twelve million, four hundred forty-two thousand, forty-eight".