42051333450 has 192 divisors, whose sum is σ = 127360062720. Its totient is φ = 8962928640.

The previous prime is 42051333421. The next prime is 42051333461. The reversal of 42051333450 is 5433315024.

42051333450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1934844 + ... + 1956456.

It is an arithmetic number, because the mean of its divisors is an integer number (663333660).

Almost surely, 2^42051333450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42051333450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63680031360).

42051333450 is an abundant number, since it is smaller than the sum of its proper divisors (85308729270).

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

42051333450 is a wasteful number, since it uses less digits than its factorization.

42051333450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21761 (or 21756 counting only the distinct ones).

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

Adding to 42051333450 its reverse (5433315024), we get a palindrome (47484648474).

The spelling of 42051333450 in words is "forty-two billion, fifty-one million, three hundred thirty-three thousand, four hundred fifty".