501285402 has 48 divisors (see below), whose sum is σ = 1125458880. Its totient is φ = 165388608.

The previous prime is 501285401. The next prime is 501285413. The reversal of 501285402 is 204582105.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (501285401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 689163 + ... + 689889.

It is an arithmetic number, because the mean of its divisors is an integer number (23447060).

Almost surely, 2^501285402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501285402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562729440).

501285402 is an abundant number, since it is smaller than the sum of its proper divisors (624173478).

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

501285402 is a wasteful number, since it uses less digits than its factorization.

501285402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 501285402 is about 22389.4037883995. The cubic root of 501285402 is about 794.3800934671.

The spelling of 501285402 in words is "five hundred one million, two hundred eighty-five thousand, four hundred two".