401252060 has 48 divisors (see below), whose sum is σ = 930908160. Its totient is φ = 144056640.

The previous prime is 401252017. The next prime is 401252077. The reversal of 401252060 is 60252104.

It is a happy number.

It is a super-2 number, since 2×401252060² = 322006431308487200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5837 + ... + 28923.

It is an arithmetic number, because the mean of its divisors is an integer number (19393920).

Almost surely, 2^401252060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401252060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465454080).

401252060 is an abundant number, since it is smaller than the sum of its proper divisors (529656100).

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

401252060 is a wasteful number, since it uses less digits than its factorization.

401252060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186 (or 23184 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401252060 is about 20031.2770436635. The cubic root of 401252060 is about 737.5742704098.

The spelling of 401252060 in words is "four hundred one million, two hundred fifty-two thousand, sixty".