502428780 has 288 divisors, whose sum is σ = 1895362560. Its totient is φ = 105131520.

The previous prime is 502428739. The next prime is 502428791. The reversal of 502428780 is 87824205.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 741802 + ... + 742478.

It is an arithmetic number, because the mean of its divisors is an integer number (6581120).

Almost surely, 2^502428780 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 502428780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947681280).

502428780 is an abundant number, since it is smaller than the sum of its proper divisors (1392933780).

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

502428780 is a wasteful number, since it uses less digits than its factorization.

502428780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 502428780 is about 22414.9231540061. The cubic root of 502428780 is about 794.9835999940.

The spelling of 502428780 in words is "five hundred two million, four hundred twenty-eight thousand, seven hundred eighty".