401683371144780 has 48 divisors (see below), whose sum is σ = 1125457789849344. Its totient is φ = 107044675101120.

The previous prime is 401683371144773. The next prime is 401683371144829. The reversal of 401683371144780 is 87441173386104.

It is a happy number.

It is a super-2 number, since 2×401683371144780² (a number of 30 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 401683371144780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215237882 + ... + 2215419201.

It is an arithmetic number, because the mean of its divisors is an integer number (23447037288528).

Almost surely, 2^{401683371144780} is an apocalyptic number.

It is an amenable number.

401683371144780 is an abundant number, since it is smaller than the sum of its proper divisors (723774418704564).

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

401683371144780 is a wasteful number, since it uses less digits than its factorization.

401683371144780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430658606 (or 4430658604 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 401683371144780 in words is "four hundred one trillion, six hundred eighty-three billion, three hundred seventy-one million, one hundred forty-four thousand, seven hundred eighty".