442203440204240 has 160 divisors (see below), whose sum is σ = 1207880851427712. Its totient is φ = 148429949184000.

The previous prime is 442203440204213. The next prime is 442203440204249. The reversal of 442203440204240 is 42402044302244.

It is a super-2 number, since 2×442203440204240² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442203440204240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442203440204249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045530410 + ... + 1045953270.

Almost surely, 2^{442203440204240} is an apocalyptic number.

442203440204240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442203440204240 is an abundant number, since it is smaller than the sum of its proper divisors (765677411223472).

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

442203440204240 is a wasteful number, since it uses less digits than its factorization.

442203440204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514309 (or 514303 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 442203440204240 its reverse (42402044302244), we get a palindrome (484605484506484).

The spelling of 442203440204240 in words is "four hundred forty-two trillion, two hundred three billion, four hundred forty million, two hundred four thousand, two hundred forty".