42320513254 has 4 divisors (see below), whose sum is σ = 63480769884. Its totient is φ = 21160256626.

The previous prime is 42320513251. The next prime is 42320513267. The reversal of 42320513254 is 45231502324.

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

It is a super-3 number, since 3×42320513254³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320513251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580128312 + ... + 10580128315.

It is an arithmetic number, because the mean of its divisors is an integer number (15870192471).

Almost surely, 2^42320513254 is an apocalyptic number.

42320513254 is a deficient number, since it is larger than the sum of its proper divisors (21160256630).

42320513254 is a wasteful number, since it uses less digits than its factorization.

42320513254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160256629.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 42320513254 in words is "forty-two billion, three hundred twenty million, five hundred thirteen thousand, two hundred fifty-four".