403045632 has 432 divisors, whose sum is σ = 1428510720. Its totient is φ = 111974400.

The previous prime is 403045631. The next prime is 403045679. The reversal of 403045632 is 236540304.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 403045596 and 403045605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403045631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13001457 + ... + 13001487.

Almost surely, 2^403045632 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 403045632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714255360).

403045632 is an abundant number, since it is smaller than the sum of its proper divisors (1025465088).

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

403045632 is a wasteful number, since it uses less digits than its factorization.

403045632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 403045632 is about 20075.9964136279. The cubic root of 403045632 is about 738.6716075440.

Adding to 403045632 its reverse (236540304), we get a palindrome (639585936).

The spelling of 403045632 in words is "four hundred three million, forty-five thousand, six hundred thirty-two".