401145030 has 192 divisors, whose sum is σ = 1245404160. Its totient is φ = 88300800.

The previous prime is 401145011. The next prime is 401145037. The reversal of 401145030 is 30541104.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 401144994 and 401145012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401145037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 913551 + ... + 913989.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^401145030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401145030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622702080).

401145030 is an abundant number, since it is smaller than the sum of its proper divisors (844259130).

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

401145030 is a wasteful number, since it uses less digits than its factorization.

401145030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 401145030 is about 20028.6052934297. The cubic root of 401145030 is about 737.5086843754.

Adding to 401145030 its reverse (30541104), we get a palindrome (431686134).

The spelling of 401145030 in words is "four hundred one million, one hundred forty-five thousand, thirty".