43250136420 has 48 divisors (see below), whose sum is σ = 121268931840. Its totient is φ = 11517317376.

The previous prime is 43250136409. The next prime is 43250136439. The reversal of 43250136420 is 2463105234.

It is a super-2 number, since 2×43250136420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458137 + ... + 544416.

It is an arithmetic number, because the mean of its divisors is an integer number (2526436080).

Almost surely, 2^43250136420 is an apocalyptic number.

It is an amenable number.

43250136420 is an abundant number, since it is smaller than the sum of its proper divisors (78018795420).

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

43250136420 is a wasteful number, since it uses less digits than its factorization.

43250136420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003284 (or 1003282 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 43250136420 in words is "forty-three billion, two hundred fifty million, one hundred thirty-six thousand, four hundred twenty".