42261321454 has 32 divisors (see below), whose sum is σ = 71410268160. Its totient is φ = 18583624800.

The previous prime is 42261321439. The next prime is 42261321461. The reversal of 42261321454 is 45412316224.

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, 2356927 + ... + 2374789.

It is an arithmetic number, because the mean of its divisors is an integer number (2231570880).

Almost surely, 2^42261321454 is an apocalyptic number.

42261321454 is a deficient number, since it is larger than the sum of its proper divisors (29148946706).

42261321454 is a wasteful number, since it uses less digits than its factorization.

42261321454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376.

The product of its digits is 46080, while the sum is 34.

Adding to 42261321454 its reverse (45412316224), we get a palindrome (87673637678).

The spelling of 42261321454 in words is "forty-two billion, two hundred sixty-one million, three hundred twenty-one thousand, four hundred fifty-four".