42453544120 has 128 divisors (see below), whose sum is σ = 104264677440. Its totient is φ = 15463526400.

The previous prime is 42453544073. The next prime is 42453544123. The reversal of 42453544120 is 2144535424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42453544123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16122324 + ... + 16124956.

Almost surely, 2^42453544120 is an apocalyptic number.

42453544120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42453544120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52132338720).

42453544120 is an abundant number, since it is smaller than the sum of its proper divisors (61811133320).

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

42453544120 is a wasteful number, since it uses less digits than its factorization.

42453544120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 42453544120 in words is "forty-two billion, four hundred fifty-three million, five hundred forty-four thousand, one hundred twenty".