535002640 has 20 divisors (see below), whose sum is σ = 1243881324. Its totient is φ = 214001024.

The previous prime is 535002607. The next prime is 535002653. The reversal of 535002640 is 46200535.

It can be written as a sum of positive squares in 2 ways, for example, as 138674176 + 396328464 = 11776^2 + 19908^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 3343687 + ... + 3343846.

Almost surely, 2^535002640 is an apocalyptic number.

It is an amenable number.

535002640 is an abundant number, since it is smaller than the sum of its proper divisors (708878684).

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

535002640 is a wasteful number, since it uses less digits than its factorization.

535002640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687546 (or 6687540 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 535002640 is about 23130.1240809469. The cubic root of 535002640 is about 811.8054732317.

The spelling of 535002640 in words is "five hundred thirty-five million, two thousand, six hundred forty".