43642424938 has 16 divisors (see below), whose sum is σ = 74857495104. Its totient is φ = 18693419040.

The previous prime is 43642424909. The next prime is 43642424941. The reversal of 43642424938 is 83942424634.

It is a super-3 number, since 3×43642424938³ (a number of 33 digits) contains 333 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 = 43642424891 and 43642424900.

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, 847203 + ... + 897238.

It is an arithmetic number, because the mean of its divisors is an integer number (4678593444).

Almost surely, 2^43642424938 is an apocalyptic number.

43642424938 is a deficient number, since it is larger than the sum of its proper divisors (31215070166).

43642424938 is a wasteful number, since it uses less digits than its factorization.

43642424938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746237.

The product of its digits is 3981312, while the sum is 49.

The spelling of 43642424938 in words is "forty-three billion, six hundred forty-two million, four hundred twenty-four thousand, nine hundred thirty-eight".