42437236240 has 160 divisors (see below), whose sum is σ = 115348045824. Its totient is φ = 14217223680.

The previous prime is 42437236223. The next prime is 42437236243. The reversal of 42437236240 is 4263273424.

It is a self number, because there is not a number n which added to its sum of digits gives 42437236240.

It is not an unprimeable number, because it can be changed into a prime (42437236243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26082307 + ... + 26083933.

Almost surely, 2^42437236240 is an apocalyptic number.

42437236240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42437236240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57674022912).

42437236240 is an abundant number, since it is smaller than the sum of its proper divisors (72910809584).

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

42437236240 is a wasteful number, since it uses less digits than its factorization.

42437236240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 42437236240 in words is "forty-two billion, four hundred thirty-seven million, two hundred thirty-six thousand, two hundred forty".