43690289136 has 160 divisors (see below), whose sum is σ = 129165357888. Its totient is φ = 12606504960.

The previous prime is 43690289107. The next prime is 43690289161. The reversal of 43690289136 is 63198209634.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2973520 + ... + 2988176.

Almost surely, 2^43690289136 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 43690289136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64582678944).

43690289136 is an abundant number, since it is smaller than the sum of its proper divisors (85475068752).

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

43690289136 is a wasteful number, since it uses less digits than its factorization.

43690289136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14979 (or 14973 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 43690289136 in words is "forty-three billion, six hundred ninety million, two hundred eighty-nine thousand, one hundred thirty-six".