5440661432 has 8 divisors (see below), whose sum is σ = 10201240200. Its totient is φ = 2720330712.

The previous prime is 5440661407. The next prime is 5440661449. The reversal of 5440661432 is 2341660445.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 5440661392 and 5440661401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340041332 + ... + 340041347.

It is an arithmetic number, because the mean of its divisors is an integer number (1275155025).

Almost surely, 2^5440661432 is an apocalyptic number.

It is an amenable number.

5440661432 is a deficient number, since it is larger than the sum of its proper divisors (4760578768).

5440661432 is a wasteful number, since it uses less digits than its factorization.

5440661432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680082685 (or 680082681 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 5440661432 is about 73760.8394203862. The cubic root of 5440661432 is about 1758.8031454806.

The spelling of 5440661432 in words is "five billion, four hundred forty million, six hundred sixty-one thousand, four hundred thirty-two".