42451550344 has 64 divisors (see below), whose sum is σ = 92732999040. Its totient is φ = 17840808960.

The previous prime is 42451550341. The next prime is 42451550387. The reversal of 42451550344 is 44305515424.

It is not an unprimeable number, because it can be changed into a prime (42451550341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11160747 + ... + 11164549.

It is an arithmetic number, because the mean of its divisors is an integer number (1448953110).

Almost surely, 2^42451550344 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 42451550344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46366499520).

42451550344 is an abundant number, since it is smaller than the sum of its proper divisors (50281448696).

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

42451550344 is a wasteful number, since it uses less digits than its factorization.

42451550344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630 (or 7626 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 42451550344 in words is "forty-two billion, four hundred fifty-one million, five hundred fifty thousand, three hundred forty-four".