42494476220 has 96 divisors (see below), whose sum is σ = 108340108800. Its totient is φ = 13675993344.

The previous prime is 42494476153. The next prime is 42494476237. The reversal of 42494476220 is 2267449424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216659 + ... + 363221.

It is an arithmetic number, because the mean of its divisors is an integer number (1128542800).

Almost surely, 2^42494476220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42494476220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54170054400).

42494476220 is an abundant number, since it is smaller than the sum of its proper divisors (65845632580).

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

42494476220 is a wasteful number, since it uses less digits than its factorization.

42494476220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146707 (or 146705 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 42494476220 in words is "forty-two billion, four hundred ninety-four million, four hundred seventy-six thousand, two hundred twenty".