401420160 has 96 divisors (see below), whose sum is σ = 1386173880. Its totient is φ = 107043840.

The previous prime is 401420153. The next prime is 401420161. The reversal of 401420160 is 61024104.

401420160 is a `hidden beast` number, since 401 + 4 + 201 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×401420160² = 322276289708851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401420161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29086 + ... + 40605.

Almost surely, 2^401420160 is an apocalyptic number.

401420160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401420160 is an abundant number, since it is smaller than the sum of its proper divisors (984753720).

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

401420160 is a wasteful number, since it uses less digits than its factorization.

401420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69716 (or 69701 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401420160 is about 20035.4725424683. The cubic root of 401420160 is about 737.6772554883.

Adding to 401420160 its reverse (61024104), we get a palindrome (462444264).

The spelling of 401420160 in words is "four hundred one million, four hundred twenty thousand, one hundred sixty".