44621140442 has 4 divisors (see below), whose sum is σ = 66931710666. Its totient is φ = 22310570220.

The previous prime is 44621140411. The next prime is 44621140469. The reversal of 44621140442 is 24404112644.

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., 36382129081 + 8239011361 = 190741^2 + 90769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44621140399 and 44621140408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155285109 + ... + 11155285112.

Almost surely, 2^44621140442 is an apocalyptic number.

44621140442 is a deficient number, since it is larger than the sum of its proper divisors (22310570224).

44621140442 is a wasteful number, since it uses less digits than its factorization.

44621140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22310570223.

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 44621140442 in words is "forty-four billion, six hundred twenty-one million, one hundred forty thousand, four hundred forty-two".