401300432 has 20 divisors (see below), whose sum is σ = 837329220. Its totient is φ = 185215488.

The previous prime is 401300411. The next prime is 401300437. The reversal of 401300432 is 234003104.

It can be written as a sum of positive squares in 2 ways, for example, as 182142016 + 219158416 = 13496^2 + 14804^2 .

It is a super-2 number, since 2×401300432² = 322084073446773248, 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 401300432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401300437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964457 + ... + 964872.

It is an arithmetic number, because the mean of its divisors is an integer number (41866461).

Almost surely, 2^401300432 is an apocalyptic number.

It is an amenable number.

401300432 is an abundant number, since it is smaller than the sum of its proper divisors (436028788).

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

401300432 is a wasteful number, since it uses less digits than its factorization.

401300432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929350 (or 1929344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 401300432 is about 20032.4844190630. The cubic root of 401300432 is about 737.6039080637.

Adding to 401300432 its reverse (234003104), we get a palindrome (635303536).

The spelling of 401300432 in words is "four hundred one million, three hundred thousand, four hundred thirty-two".