42415764254 has 4 divisors (see below), whose sum is σ = 63623646384. Its totient is φ = 21207882126.

The previous prime is 42415764253. The next prime is 42415764271. The reversal of 42415764254 is 45246751424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42415764253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10603941062 + ... + 10603941065.

It is an arithmetic number, because the mean of its divisors is an integer number (15905911596).

Almost surely, 2^42415764254 is an apocalyptic number.

42415764254 is a deficient number, since it is larger than the sum of its proper divisors (21207882130).

42415764254 is a wasteful number, since it uses less digits than its factorization.

42415764254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207882129.

The product of its digits is 1075200, while the sum is 44.

The spelling of 42415764254 in words is "forty-two billion, four hundred fifteen million, seven hundred sixty-four thousand, two hundred fifty-four".