42455220747700 has 288 divisors, whose sum is σ = 96452271659520. Its totient is φ = 16207334707200.

The previous prime is 42455220747691. The next prime is 42455220747713. The reversal of 42455220747700 is 774702255424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38282434746 + ... + 38282435854.

It is an arithmetic number, because the mean of its divisors is an integer number (334903721040).

Almost surely, 2^{42455220747700} 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 42455220747700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48226135829760).

42455220747700 is an abundant number, since it is smaller than the sum of its proper divisors (53997050911820).

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

42455220747700 is a wasteful number, since it uses less digits than its factorization.

42455220747700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 49.

The spelling of 42455220747700 in words is "forty-two trillion, four hundred fifty-five billion, two hundred twenty million, seven hundred forty-seven thousand, seven hundred".