43690690626240 has 1344 divisors, whose sum is σ = 171934541291520. Its totient is φ = 9201280942080.

The previous prime is 43690690626239. The next prime is 43690690626257. The reversal of 43690690626240 is 4262609609634.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (57).

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 191 ways as a sum of consecutive naturals, for example, 50626524049 + ... + 50626524911.

It is an arithmetic number, because the mean of its divisors is an integer number (127927486080).

Almost surely, 2^{43690690626240} is an apocalyptic number.

43690690626240 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 43690690626240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85967270645760).

43690690626240 is an abundant number, since it is smaller than the sum of its proper divisors (128243850665280).

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

43690690626240 is a wasteful number, since it uses less digits than its factorization.

43690690626240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 57.

The spelling of 43690690626240 in words is "forty-three trillion, six hundred ninety billion, six hundred ninety million, six hundred twenty-six thousand, two hundred forty".