42050290240 has 56 divisors (see below), whose sum is σ = 114436867392. Its totient is φ = 14417241600.

The previous prime is 42050290213. The next prime is 42050290253. The reversal of 42050290240 is 4209205024.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42050290199 and 42050290208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383986 + ... + 9388465.

Almost surely, 2^42050290240 is an apocalyptic number.

42050290240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42050290240 is an abundant number, since it is smaller than the sum of its proper divisors (72386577152).

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

42050290240 is a wasteful number, since it uses less digits than its factorization.

42050290240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772475 (or 18772465 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 42050290240 its reverse (4209205024), we get a palindrome (46259495264).

The spelling of 42050290240 in words is "forty-two billion, fifty million, two hundred ninety thousand, two hundred forty".