42415042544 has 40 divisors (see below), whose sum is σ = 94189769088. Its totient is φ = 18125472960.

The previous prime is 42415042519. The next prime is 42415042561. The reversal of 42415042544 is 44524051424.

It is a happy number.

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, 506822 + ... + 584549.

Almost surely, 2^42415042544 is an apocalyptic number.

It is an amenable number.

42415042544 is an abundant number, since it is smaller than the sum of its proper divisors (51774726544).

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

42415042544 is a wasteful number, since it uses less digits than its factorization.

42415042544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091733 (or 1091727 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 42415042544 its reverse (44524051424), we get a palindrome (86939093968).

The spelling of 42415042544 in words is "forty-two billion, four hundred fifteen million, forty-two thousand, five hundred forty-four".