43728140356 has 48 divisors (see below), whose sum is σ = 79724736000. Its totient is φ = 20973543552.

The previous prime is 43728140329. The next prime is 43728140377. The reversal of 43728140356 is 65304182734.

It is a super-4 number, since 4×43728140356⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712370 + ... + 1737718.

It is an arithmetic number, because the mean of its divisors is an integer number (1660932000).

Almost surely, 2^43728140356 is an apocalyptic number.

It is an amenable number.

43728140356 is a deficient number, since it is larger than the sum of its proper divisors (35996595644).

43728140356 is a wasteful number, since it uses less digits than its factorization.

43728140356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25588 (or 25586 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 43728140356 in words is "forty-three billion, seven hundred twenty-eight million, one hundred forty thousand, three hundred fifty-six".