43420255051000 has 128 divisors (see below), whose sum is σ = 104153999040000. Its totient is φ = 16932691584000.

The previous prime is 43420255050961. The next prime is 43420255051021. The reversal of 43420255051000 is 15055202434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58631026 + ... + 59366974.

It is an arithmetic number, because the mean of its divisors is an integer number (813703117500).

Almost surely, 2^{43420255051000} is an apocalyptic number.

43420255051000 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 43420255051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52076999520000).

43420255051000 is an abundant number, since it is smaller than the sum of its proper divisors (60733743989000).

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

43420255051000 is a wasteful number, since it uses less digits than its factorization.

43420255051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737450 (or 737436 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 43420255051000 in words is "forty-three trillion, four hundred twenty billion, two hundred fifty-five million, fifty-one thousand".