202464642 has 32 divisors (see below), whose sum is σ = 416473344. Its totient is φ = 65577600.

The previous prime is 202464637. The next prime is 202464643. The reversal of 202464642 is 246464202.

It is not an unprimeable number, because it can be changed into a prime (202464643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65148 + ... + 68184.

It is an arithmetic number, because the mean of its divisors is an integer number (13014792).

Almost surely, 2^202464642 is an apocalyptic number.

202464642 is an abundant number, since it is smaller than the sum of its proper divisors (214008702).

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

202464642 is a wasteful number, since it uses less digits than its factorization.

202464642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 202464642 is about 14229.0070630385. The cubic root of 202464642 is about 587.1959659414.

It can be divided in two parts, 2024 and 64642, that added together give a palindrome (66666).

The spelling of 202464642 in words is "two hundred two million, four hundred sixty-four thousand, six hundred forty-two".