43245697936 has 75 divisors (see below), whose sum is σ = 97839694673. Its totient is φ = 18516402240.

The previous prime is 43245697919. The next prime is 43245697969. The reversal of 43245697936 is 63979654234.

It is a happy number.

The square root of 43245697936 is 207956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28478587536 + 14767110400 = 168756^2 + 121520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 40758846 + ... + 40759906.

Almost surely, 2^43245697936 is an apocalyptic number.

43245697936 is the 207956-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43245697936

43245697936 is an abundant number, since it is smaller than the sum of its proper divisors (54593996737).

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

43245697936 is an frugal number, since it uses more digits than its factorization.

43245697936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 1070 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 58.

The spelling of 43245697936 in words is "forty-three billion, two hundred forty-five million, six hundred ninety-seven thousand, nine hundred thirty-six".