42214155240 has 128 divisors (see below), whose sum is σ = 129107986560. Its totient is φ = 11039944704.

The previous prime is 42214155209. The next prime is 42214155253. The reversal of 42214155240 is 4255141224.

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

It is a junction number, because it is equal to n+sod(n) for n = 42214155198 and 42214155207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1349052 + ... + 1379988.

It is an arithmetic number, because the mean of its divisors is an integer number (1008656145).

Almost surely, 2^42214155240 is an apocalyptic number.

42214155240 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 42214155240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64553993280).

42214155240 is an abundant number, since it is smaller than the sum of its proper divisors (86893831320).

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

42214155240 is a wasteful number, since it uses less digits than its factorization.

42214155240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31171 (or 31167 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 42214155240 its reverse (4255141224), we get a palindrome (46469296464).

The spelling of 42214155240 in words is "forty-two billion, two hundred fourteen million, one hundred fifty-five thousand, two hundred forty".