43243902428 has 24 divisors (see below), whose sum is σ = 76137267024. Its totient is φ = 21490531200.

The previous prime is 43243902391. The next prime is 43243902431. The reversal of 43243902428 is 82420934234.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1365008 + ... + 1396328.

It is an arithmetic number, because the mean of its divisors is an integer number (3172386126).

Almost surely, 2^43243902428 is an apocalyptic number.

It is an amenable number.

43243902428 is a deficient number, since it is larger than the sum of its proper divisors (32893364596).

43243902428 is a wasteful number, since it uses less digits than its factorization.

43243902428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33413 (or 33411 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 43243902428 in words is "forty-three billion, two hundred forty-three million, nine hundred two thousand, four hundred twenty-eight".