43700379040 has 96 divisors (see below), whose sum is σ = 107798221440. Its totient is φ = 16709704704.

The previous prime is 43700379001. The next prime is 43700379083. The reversal of 43700379040 is 4097300734.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8604982 + ... + 8610058.

It is an arithmetic number, because the mean of its divisors is an integer number (1122898140).

Almost surely, 2^43700379040 is an apocalyptic number.

43700379040 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 43700379040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53899110720).

43700379040 is an abundant number, since it is smaller than the sum of its proper divisors (64097842400).

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

43700379040 is a wasteful number, since it uses less digits than its factorization.

43700379040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454 (or 7446 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

Adding to 43700379040 its reverse (4097300734), we get a palindrome (47797679774).

It can be divided in two parts, 43700 and 379040, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 43700379040 in words is "forty-three billion, seven hundred million, three hundred seventy-nine thousand, forty".