401302120224 has 48 divisors (see below), whose sum is σ = 1115383838688. Its totient is φ = 125898703872.

The previous prime is 401302120223. The next prime is 401302120249. The reversal of 401302120224 is 422021203104.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×401302120224² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401302120224.

It is not an unprimeable number, because it can be changed into a prime (401302120223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122946322 + ... + 122949585.

It is an arithmetic number, because the mean of its divisors is an integer number (23237163306).

Almost surely, 2^401302120224 is an apocalyptic number.

It is an amenable number.

401302120224 is an abundant number, since it is smaller than the sum of its proper divisors (714081718464).

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

401302120224 is a wasteful number, since it uses less digits than its factorization.

401302120224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245895937 (or 245895929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 401302120224 its reverse (422021203104), we get a palindrome (823323323328).

The spelling of 401302120224 in words is "four hundred one billion, three hundred two million, one hundred twenty thousand, two hundred twenty-four".