42021401244 has 48 divisors (see below), whose sum is σ = 107397511200. Its totient is φ = 12728590336.

The previous prime is 42021401237. The next prime is 42021401251. The reversal of 42021401244 is 44210412024.

42021401244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42021401237) and next prime (42021401251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3545589 + ... + 3557420.

It is an arithmetic number, because the mean of its divisors is an integer number (2237448150).

Almost surely, 2^42021401244 is an apocalyptic number.

It is an amenable number.

42021401244 is an abundant number, since it is smaller than the sum of its proper divisors (65376109956).

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

42021401244 is a wasteful number, since it uses less digits than its factorization.

42021401244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103062 (or 7103060 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42021401244 its reverse (44210412024), we get a palindrome (86231813268).

The spelling of 42021401244 in words is "forty-two billion, twenty-one million, four hundred one thousand, two hundred forty-four".