43138363620 has 96 divisors (see below), whose sum is σ = 136311880320. Its totient is φ = 10097167360.

The previous prime is 43138363607. The next prime is 43138363657. The reversal of 43138363620 is 2636383134.

It is a happy number.

It is a super-3 number, since 3×43138363620³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107777 + ... + 1146056.

It is an arithmetic number, because the mean of its divisors is an integer number (1419915420).

Almost surely, 2^43138363620 is an apocalyptic number.

It is an amenable number.

43138363620 is an abundant number, since it is smaller than the sum of its proper divisors (93173516700).

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

43138363620 is a wasteful number, since it uses less digits than its factorization.

43138363620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253885 (or 2253883 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 43138363620 in words is "forty-three billion, one hundred thirty-eight million, three hundred sixty-three thousand, six hundred twenty".