43398859458 has 16 divisors (see below), whose sum is σ = 86807222496. Its totient is φ = 14464702560.

The previous prime is 43398859433. The next prime is 43398859561. The reversal of 43398859458 is 85495889334.

It is a super-2 number, since 2×43398859458² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335916 + ... + 446807.

It is an arithmetic number, because the mean of its divisors is an integer number (5425451406).

Almost surely, 2^43398859458 is an apocalyptic number.

43398859458 is an abundant number, since it is smaller than the sum of its proper divisors (43408363038).

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

43398859458 is a wasteful number, since it uses less digits than its factorization.

43398859458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791969.

The product of its digits is 149299200, while the sum is 66.

The spelling of 43398859458 in words is "forty-three billion, three hundred ninety-eight million, eight hundred fifty-nine thousand, four hundred fifty-eight".