43258597040 has 80 divisors (see below), whose sum is σ = 105808183200. Its totient is φ = 16423550976.

The previous prime is 43258597009. The next prime is 43258597093. The reversal of 43258597040 is 4079585234.

It is a tau number, because it is divible by the number of its divisors (80).

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, 21137 + ... + 294896.

It is an arithmetic number, because the mean of its divisors is an integer number (1322602290).

Almost surely, 2^43258597040 is an apocalyptic number.

43258597040 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 43258597040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52904091600).

43258597040 is an abundant number, since it is smaller than the sum of its proper divisors (62549586160).

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

43258597040 is a wasteful number, since it uses less digits than its factorization.

43258597040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316134 (or 316128 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 43258597040 in words is "forty-three billion, two hundred fifty-eight million, five hundred ninety-seven thousand, forty".