401061570 has 192 divisors, whose sum is σ = 1246565376. Its totient is φ = 81768960.

The previous prime is 401061553. The next prime is 401061571. The reversal of 401061570 is 75160104.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401061570.

It is not an unprimeable number, because it can be changed into a prime (401061571) 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, 592072 + ... + 592748.

It is an arithmetic number, because the mean of its divisors is an integer number (6492528).

Almost surely, 2^401061570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401061570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623282688).

401061570 is an abundant number, since it is smaller than the sum of its proper divisors (845503806).

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

401061570 is a wasteful number, since it uses less digits than its factorization.

401061570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 401061570 is about 20026.5216650321. The cubic root of 401061570 is about 737.4575335119.

The spelling of 401061570 in words is "four hundred one million, sixty-one thousand, five hundred seventy".