42545254494 has 32 divisors (see below), whose sum is σ = 87652938240. Its totient is φ = 13758545600.

The previous prime is 42545254429. The next prime is 42545254541. The reversal of 42545254494 is 49445254524.

It is a super-3 number, since 3×42545254494³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439062 + ... + 527129.

It is an arithmetic number, because the mean of its divisors is an integer number (2739154320).

Almost surely, 2^42545254494 is an apocalyptic number.

42545254494 is an abundant number, since it is smaller than the sum of its proper divisors (45107683746).

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

42545254494 is a wasteful number, since it uses less digits than its factorization.

42545254494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966416.

The product of its digits is 4608000, while the sum is 48.

The spelling of 42545254494 in words is "forty-two billion, five hundred forty-five million, two hundred fifty-four thousand, four hundred ninety-four".