501432402 has 8 divisors (see below), whose sum is σ = 1002864816. Its totient is φ = 167144132.

The previous prime is 501432397. The next prime is 501432403. The reversal of 501432402 is 204234105.

It is a sphenic number, since it is the product of 3 distinct primes.

501432402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (501432403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41786028 + ... + 41786039.

It is an arithmetic number, because the mean of its divisors is an integer number (125358102).

Almost surely, 2^501432402 is an apocalyptic number.

501432402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

501432402 is a wasteful number, since it uses less digits than its factorization.

501432402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83572072.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 501432402 is about 22392.6863506816. The cubic root of 501432402 is about 794.4577355054.

Adding to 501432402 its reverse (204234105), we get a palindrome (705666507).

The spelling of 501432402 in words is "five hundred one million, four hundred thirty-two thousand, four hundred two".