44680642 has 4 divisors (see below), whose sum is σ = 67020966. Its totient is φ = 22340320.

The previous prime is 44680639. The next prime is 44680661. The reversal of 44680642 is 24608644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33651601 + 11029041 = 5801^2 + 3321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44680598 and 44680607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11170159 + ... + 11170162.

Almost surely, 2^44680642 is an apocalyptic number.

44680642 is a deficient number, since it is larger than the sum of its proper divisors (22340324).

44680642 is a wasteful number, since it uses less digits than its factorization.

44680642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22340323.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 44680642 is about 6684.3580095623. The cubic root of 44680642 is about 354.8459081293.

The spelling of 44680642 in words is "forty-four million, six hundred eighty thousand, six hundred forty-two".