652140402 has 32 divisors (see below), whose sum is σ = 1318894272. Its totient is φ = 214953984.

The previous prime is 652140347. The next prime is 652140407. The reversal of 652140402 is 204041256.

It is not an unprimeable number, because it can be changed into a prime (652140407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390373 + ... + 392039.

It is an arithmetic number, because the mean of its divisors is an integer number (41215446).

Almost surely, 2^652140402 is an apocalyptic number.

652140402 is an abundant number, since it is smaller than the sum of its proper divisors (666753870).

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

652140402 is a wasteful number, since it uses less digits than its factorization.

652140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 652140402 is about 25537.0398049578. The cubic root of 652140402 is about 867.1888840540.

Adding to 652140402 its reverse (204041256), we get a palindrome (856181658).

The spelling of 652140402 in words is "six hundred fifty-two million, one hundred forty thousand, four hundred two".