202834540378 has 4 divisors (see below), whose sum is σ = 304251810570. Its totient is φ = 101417270188.

The previous prime is 202834540343. The next prime is 202834540409. The reversal of 202834540378 is 873045438202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144752094369 + 58082446009 = 380463^2 + 241003^2 .

It is a super-2 number, since 2×202834540378² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50708635093 + ... + 50708635096.

Almost surely, 2^202834540378 is an apocalyptic number.

202834540378 is a deficient number, since it is larger than the sum of its proper divisors (101417270192).

202834540378 is a wasteful number, since it uses less digits than its factorization.

202834540378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101417270191.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 202834540378 in words is "two hundred two billion, eight hundred thirty-four million, five hundred forty thousand, three hundred seventy-eight".