42254521443320 has 32 divisors (see below), whose sum is σ = 95135097989520. Its totient is φ = 16890710845440.

The previous prime is 42254521443311. The next prime is 42254521443361. The reversal of 42254521443320 is 2334412545224.

It is a super-3 number, since 3×42254521443320³ (a number of 42 digits) contains 333 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, 346742441 + ... + 346864280.

Almost surely, 2^{42254521443320} is an apocalyptic number.

42254521443320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42254521443320 is an abundant number, since it is smaller than the sum of its proper divisors (52880576546200).

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

42254521443320 is a wasteful number, since it uses less digits than its factorization.

42254521443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693608255 (or 693608251 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 42254521443320 its reverse (2334412545224), we get a palindrome (44588933988544).

The spelling of 42254521443320 in words is "forty-two trillion, two hundred fifty-four billion, five hundred twenty-one million, four hundred forty-three thousand, three hundred twenty".