403541532 has 144 divisors (see below), whose sum is σ = 1135330560. Its totient is φ = 120282624.

The previous prime is 403541527. The next prime is 403541543. The reversal of 403541532 is 235145304.

It is a junction number, because it is equal to n+sod(n) for n = 403541496 and 403541505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1777603 + ... + 1777829.

It is an arithmetic number, because the mean of its divisors is an integer number (7884240).

Almost surely, 2^403541532 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 403541532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567665280).

403541532 is an abundant number, since it is smaller than the sum of its proper divisors (731789028).

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

403541532 is a wasteful number, since it uses less digits than its factorization.

403541532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 403541532 is about 20088.3431870326. The cubic root of 403541532 is about 738.9744327422.

Adding to 403541532 its reverse (235145304), we get a palindrome (638686836).

The spelling of 403541532 in words is "four hundred three million, five hundred forty-one thousand, five hundred thirty-two".