42311222440 has 16 divisors (see below), whose sum is σ = 95200250580. Its totient is φ = 16924488960.

The previous prime is 42311222419. The next prime is 42311222467. The reversal of 42311222440 is 4422211324.

It can be written as a sum of positive squares in 2 ways, for example, as 40793496676 + 1517725764 = 201974^2 + 38958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528890241 + ... + 528890320.

Almost surely, 2^42311222440 is an apocalyptic number.

42311222440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42311222440 is an abundant number, since it is smaller than the sum of its proper divisors (52889028140).

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

42311222440 is a wasteful number, since it uses less digits than its factorization.

42311222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057780572 (or 1057780568 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42311222440 its reverse (4422211324), we get a palindrome (46733433764).

The spelling of 42311222440 in words is "forty-two billion, three hundred eleven million, two hundred twenty-two thousand, four hundred forty".