401434124 has 96 divisors (see below), whose sum is σ = 947479680. Its totient is φ = 144248832.

The previous prime is 401434091. The next prime is 401434129. The reversal of 401434124 is 421434104.

It is a happy number.

It is a super-2 number, since 2×401434124² = 322298711823294752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401434124.

It is not an unprimeable number, because it can be changed into a prime (401434129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178334 + ... + 180570.

It is an arithmetic number, because the mean of its divisors is an integer number (9869580).

Almost surely, 2^401434124 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 401434124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473739840).

401434124 is an abundant number, since it is smaller than the sum of its proper divisors (546045556).

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

401434124 is a wasteful number, since it uses less digits than its factorization.

401434124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 401434124 is about 20035.8210213607. The cubic root of 401434124 is about 737.6858091242.

Adding to 401434124 its reverse (421434104), we get a palindrome (822868228).

The spelling of 401434124 in words is "four hundred one million, four hundred thirty-four thousand, one hundred twenty-four".