43625381952 has 84 divisors (see below), whose sum is σ = 117934750160. Its totient is φ = 14232255744.

The previous prime is 43625381941. The next prime is 43625381953. The reversal of 43625381952 is 25918352634.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (43625381953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372699 + ... + 475557.

Almost surely, 2^43625381952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43625381952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58967375080).

43625381952 is an abundant number, since it is smaller than the sum of its proper divisors (74309368208).

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

43625381952 is a wasteful number, since it uses less digits than its factorization.

43625381952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102968 (or 102911 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The spelling of 43625381952 in words is "forty-three billion, six hundred twenty-five million, three hundred eighty-one thousand, nine hundred fifty-two".