43870788052 has 96 divisors (see below), whose sum is σ = 95667167232. Its totient is φ = 17140709376.

The previous prime is 43870788023. The next prime is 43870788053. The reversal of 43870788052 is 25088707834.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43870788053) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10769088 + ... + 10773160.

It is an arithmetic number, because the mean of its divisors is an integer number (996532992).

Almost surely, 2^43870788052 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 43870788052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47833583616).

43870788052 is an abundant number, since it is smaller than the sum of its proper divisors (51796379180).

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

43870788052 is a wasteful number, since it uses less digits than its factorization.

43870788052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 43870788052 in words is "forty-three billion, eight hundred seventy million, seven hundred eighty-eight thousand, fifty-two".