43480491644 has 12 divisors (see below), whose sum is σ = 76093340064. Its totient is φ = 21739537344.

The previous prime is 43480491641. The next prime is 43480491683. The reversal of 43480491644 is 44619408434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43480491641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24404 + ... + 295899.

It is an arithmetic number, because the mean of its divisors is an integer number (6341111672).

Almost surely, 2^43480491644 is an apocalyptic number.

It is an amenable number.

43480491644 is a deficient number, since it is larger than the sum of its proper divisors (32612848420).

43480491644 is a wasteful number, since it uses less digits than its factorization.

43480491644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354244 (or 354242 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 43480491644 in words is "forty-three billion, four hundred eighty million, four hundred ninety-one thousand, six hundred forty-four".