42212025524 has 24 divisors (see below), whose sum is σ = 74578063560. Its totient is φ = 20904274944.

The previous prime is 42212025487. The next prime is 42212025551. The reversal of 42212025524 is 42552021224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35188624 + 42176836900 = 5932^2 + 205370^2 .

It is a congruent number.

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, 613232 + ... + 678584.

It is an arithmetic number, because the mean of its divisors is an integer number (3107419315).

Almost surely, 2^42212025524 is an apocalyptic number.

It is an amenable number.

42212025524 is a deficient number, since it is larger than the sum of its proper divisors (32366038036).

42212025524 is a wasteful number, since it uses less digits than its factorization.

42212025524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66899 (or 66897 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 42212025524 its reverse (42552021224), we get a palindrome (84764046748).

The spelling of 42212025524 in words is "forty-two billion, two hundred twelve million, twenty-five thousand, five hundred twenty-four".