202454260434 has 80 divisors (see below), whose sum is σ = 455550552600. Its totient is φ = 67202182656.

The previous prime is 202454260433. The next prime is 202454260439. The reversal of 202454260434 is 434062454202.

202454260434 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 5 + 42 + 604 + 3 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 90766625625 + 111687634809 = 301275^2 + 334197^2 .

It is not an unprimeable number, because it can be changed into a prime (202454260433) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58359252 + ... + 58362720.

Almost surely, 2^202454260434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202454260434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227775276300).

202454260434 is an abundant number, since it is smaller than the sum of its proper divisors (253096292166).

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

202454260434 is a wasteful number, since it uses less digits than its factorization.

202454260434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 202454260434 in words is "two hundred two billion, four hundred fifty-four million, two hundred sixty thousand, four hundred thirty-four".