44540092978 has 4 divisors (see below), whose sum is σ = 66810139470. Its totient is φ = 22270046488.

The previous prime is 44540092943. The next prime is 44540092979. The reversal of 44540092978 is 87929004544.

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., 23185239289 + 21354853689 = 152267^2 + 146133^2 .

It is not an unprimeable number, because it can be changed into a prime (44540092979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135023243 + ... + 11135023246.

Almost surely, 2^44540092978 is an apocalyptic number.

44540092978 is a deficient number, since it is larger than the sum of its proper divisors (22270046492).

44540092978 is a wasteful number, since it uses less digits than its factorization.

44540092978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270046491.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 44540092978 in words is "forty-four billion, five hundred forty million, ninety-two thousand, nine hundred seventy-eight".