245220535104 has 56 divisors (see below), whose sum is σ = 659809521120. Its totient is φ = 80354747904.

The previous prime is 245220535093. The next prime is 245220535121. The reversal of 245220535104 is 401535022542.

It is a happy number.

It is a super-2 number, since 2×245220535104² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 10812319 + ... + 10834974.

Almost surely, 2^245220535104 is an apocalyptic number.

245220535104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245220535104 is an abundant number, since it is smaller than the sum of its proper divisors (414588986016).

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

245220535104 is a wasteful number, since it uses less digits than its factorization.

245220535104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647367 (or 21647357 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 245220535104 its reverse (401535022542), we get a palindrome (646755557646).

The spelling of 245220535104 in words is "two hundred forty-five billion, two hundred twenty million, five hundred thirty-five thousand, one hundred four".