42140333550 has 384 divisors, whose sum is σ = 132060119040. Its totient is φ = 8670412800.

The previous prime is 42140333509. The next prime is 42140333561. The reversal of 42140333550 is 5533304124.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 65741230 + ... + 65741870.

It is an arithmetic number, because the mean of its divisors is an integer number (343906560).

Almost surely, 2^42140333550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42140333550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66030059520).

42140333550 is an abundant number, since it is smaller than the sum of its proper divisors (89919785490).

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

42140333550 is a wasteful number, since it uses less digits than its factorization.

42140333550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 42140333550 its reverse (5533304124), we get a palindrome (47673637674).

The spelling of 42140333550 in words is "forty-two billion, one hundred forty million, three hundred thirty-three thousand, five hundred fifty".