43138298904 has 64 divisors (see below), whose sum is σ = 110907843840. Its totient is φ = 13976227200.

The previous prime is 43138298849. The next prime is 43138298933. The reversal of 43138298904 is 40989283134.

It is a congruent number.

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, 22372 + ... + 294579.

It is an arithmetic number, because the mean of its divisors is an integer number (1732935060).

Almost surely, 2^43138298904 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 43138298904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55453921920).

43138298904 is an abundant number, since it is smaller than the sum of its proper divisors (67769544936).

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

43138298904 is a wasteful number, since it uses less digits than its factorization.

43138298904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317120 (or 317116 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 43138298904 in words is "forty-three billion, one hundred thirty-eight million, two hundred ninety-eight thousand, nine hundred four".