424202244240 has 80 divisors (see below), whose sum is σ = 1350568254528. Its totient is φ = 110063282688.

The previous prime is 424202244229. The next prime is 424202244259. The reversal of 424202244240 is 42442202424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×424202244240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 424202244198 and 424202244207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23876382 + ... + 23894141.

Almost surely, 2^424202244240 is an apocalyptic number.

424202244240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424202244240 is an abundant number, since it is smaller than the sum of its proper divisors (926366010288).

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

424202244240 is a wasteful number, since it uses less digits than its factorization.

424202244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47770576 (or 47770570 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 424202244240 its reverse (42442202424), we get a palindrome (466644446664).

The spelling of 424202244240 in words is "four hundred twenty-four billion, two hundred two million, two hundred forty-four thousand, two hundred forty".