401014520120 has 32 divisors (see below), whose sum is σ = 902344341600. Its totient is φ = 160394844288.

The previous prime is 401014520117. The next prime is 401014520131. The reversal of 401014520120 is 21025410104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 401014520092 and 401014520101.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 263141 + ... + 933419.

It is an arithmetic number, because the mean of its divisors is an integer number (28198260675).

Almost surely, 2^401014520120 is an apocalyptic number.

401014520120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401014520120 is an abundant number, since it is smaller than the sum of its proper divisors (501329821480).

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

401014520120 is a wasteful number, since it uses less digits than its factorization.

401014520120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685247 (or 685243 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 401014520120 its reverse (21025410104), we get a palindrome (422039930224).

The spelling of 401014520120 in words is "four hundred one billion, fourteen million, five hundred twenty thousand, one hundred twenty".