43042890240 has 640 divisors, whose sum is σ = 185047441920. Its totient is φ = 9257877504.

The previous prime is 43042890239. The next prime is 43042890277. The reversal of 43042890240 is 4209824034.

43042890240 is a `hidden beast` number, since 4 + 304 + 28 + 90 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43042890195 and 43042890204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8222664 + ... + 8227896.

It is an arithmetic number, because the mean of its divisors is an integer number (289136628).

Almost surely, 2^43042890240 is an apocalyptic number.

43042890240 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 43042890240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92523720960).

43042890240 is an abundant number, since it is smaller than the sum of its proper divisors (142004551680).

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

43042890240 is a wasteful number, since it uses less digits than its factorization.

43042890240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289 (or 5267 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 43042890240 in words is "forty-three billion, forty-two million, eight hundred ninety thousand, two hundred forty".