202421340604480 has 56 divisors (see below), whose sum is σ = 482122626829272. Its totient is φ = 80950594486272.

The previous prime is 202421340604447. The next prime is 202421340604499. The reversal of 202421340604480 is 84406043124202.

It can be written as a sum of positive squares in 4 ways, for example, as 15292729790464 + 187128610814016 = 3910592^2 + 13679496^2 .

It is a super-2 number, since 2×202421340604480² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68638567 + ... + 71526886.

Almost surely, 2^{202421340604480} is an apocalyptic number.

202421340604480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202421340604480 is an abundant number, since it is smaller than the sum of its proper divisors (279701286224792).

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

202421340604480 is a wasteful number, since it uses less digits than its factorization.

202421340604480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140169983 (or 140169973 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

Adding to 202421340604480 its reverse (84406043124202), we get a palindrome (286827383728682).

The spelling of 202421340604480 in words is "two hundred two trillion, four hundred twenty-one billion, three hundred forty million, six hundred four thousand, four hundred eighty".