10402432 has 32 divisors (see below), whose sum is σ = 20884500. Its totient is φ = 5160960.

The previous prime is 10402429. The next prime is 10402451. The reversal of 10402432 is 23420401.

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 817216 = 3096^2 + 904^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22944 + ... + 23392.

Almost surely, 2^10402432 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 10402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10442250).

10402432 is an abundant number, since it is smaller than the sum of its proper divisors (10482068).

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

10402432 is an equidigital number, since it uses as much as digits as its factorization.

10402432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 10402432 is about 3225.2801428713. The cubic root of 10402432 is about 218.2955898213.

Adding to 10402432 its reverse (23420401), we get a palindrome (33822833).

The spelling of 10402432 in words is "ten million, four hundred two thousand, four hundred thirty-two".