401421143120 has 40 divisors (see below), whose sum is σ = 933514108416. Its totient is φ = 160532336768.

The previous prime is 401421143113. The next prime is 401421143143. The reversal of 401421143120 is 21341124104.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×401421143120² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205112 + ... + 919191.

Almost surely, 2^401421143120 is an apocalyptic number.

401421143120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401421143120 is an abundant number, since it is smaller than the sum of its proper divisors (532092965296).

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

401421143120 is a wasteful number, since it uses less digits than its factorization.

401421143120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128779 (or 1128773 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 401421143120 its reverse (21341124104), we get a palindrome (422762267224).

The spelling of 401421143120 in words is "four hundred one billion, four hundred twenty-one million, one hundred forty-three thousand, one hundred twenty".