43773311940 has 24 divisors (see below), whose sum is σ = 122565273600. Its totient is φ = 11672883168.

The previous prime is 43773311909. The next prime is 43773311977. The reversal of 43773311940 is 4911337734.

43773311940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×43773311940⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 43773311892 and 43773311901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364777540 + ... + 364777659.

It is an arithmetic number, because the mean of its divisors is an integer number (5106886400).

Almost surely, 2^43773311940 is an apocalyptic number.

It is an amenable number.

43773311940 is an abundant number, since it is smaller than the sum of its proper divisors (78791961660).

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

43773311940 is a wasteful number, since it uses less digits than its factorization.

43773311940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729555211 (or 729555209 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 43773311940 in words is "forty-three billion, seven hundred seventy-three million, three hundred eleven thousand, nine hundred forty".