202551024240 has 120 divisors (see below), whose sum is σ = 680318943408. Its totient is φ = 54006850560.

The previous prime is 202551024197. The next prime is 202551024253. The reversal of 202551024240 is 42420155202.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8830867 + ... + 8853773.

Almost surely, 2^202551024240 is an apocalyptic number.

202551024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202551024240 is an abundant number, since it is smaller than the sum of its proper divisors (477767919168).

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

202551024240 is a wasteful number, since it uses less digits than its factorization.

202551024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35207 (or 35198 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 202551024240 its reverse (42420155202), we get a palindrome (244971179442).

The spelling of 202551024240 in words is "two hundred two billion, five hundred fifty-one million, twenty-four thousand, two hundred forty".