42438215510 has 32 divisors (see below), whose sum is σ = 80830310400. Its totient is φ = 15997638240.

The previous prime is 42438215509. The next prime is 42438215513. The reversal of 42438215510 is 1551283424.

42438215510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42438215513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548420 + ... + 620999.

It is an arithmetic number, because the mean of its divisors is an integer number (2525947200).

Almost surely, 2^42438215510 is an apocalyptic number.

42438215510 is a deficient number, since it is larger than the sum of its proper divisors (38392094890).

42438215510 is a wasteful number, since it uses less digits than its factorization.

42438215510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169636.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 42438215510 its reverse (1551283424), we get a palindrome (43989498934).

The spelling of 42438215510 in words is "forty-two billion, four hundred thirty-eight million, two hundred fifteen thousand, five hundred ten".