43520354252 has 6 divisors (see below), whose sum is σ = 76160619948. Its totient is φ = 21760177124.

The previous prime is 43520354249. The next prime is 43520354299. The reversal of 43520354252 is 25245302534.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440044278 + ... + 5440044285.

It is an arithmetic number, because the mean of its divisors is an integer number (12693436658).

Almost surely, 2^43520354252 is an apocalyptic number.

It is an amenable number.

43520354252 is a deficient number, since it is larger than the sum of its proper divisors (32640265696).

43520354252 is a wasteful number, since it uses less digits than its factorization.

43520354252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880088567 (or 10880088565 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 43520354252 its reverse (25245302534), we get a palindrome (68765656786).

The spelling of 43520354252 in words is "forty-three billion, five hundred twenty million, three hundred fifty-four thousand, two hundred fifty-two".