42450551243552 has 96 divisors (see below), whose sum is σ = 87349780957824. Its totient is φ = 20269502668800.

The previous prime is 42450551243537. The next prime is 42450551243561. The reversal of 42450551243552 is 25534215505424.

It is a junction number, because it is equal to n+sod(n) for n = 42450551243497 and 42450551243506.

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, 1222601552 + ... + 1222636272.

It is an arithmetic number, because the mean of its divisors is an integer number (909893551644).

Almost surely, 2^{42450551243552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42450551243552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43674890478912).

42450551243552 is an abundant number, since it is smaller than the sum of its proper divisors (44899229714272).

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

42450551243552 is a wasteful number, since it uses less digits than its factorization.

42450551243552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37402 (or 37394 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 47.

Adding to 42450551243552 its reverse (25534215505424), we get a palindrome (67984766748976).

The spelling of 42450551243552 in words is "forty-two trillion, four hundred fifty billion, five hundred fifty-one million, two hundred forty-three thousand, five hundred fifty-two".