46444291978 has 8 divisors (see below), whose sum is σ = 79618786272. Its totient is φ = 19904696556.

The previous prime is 46444291973. The next prime is 46444291979. The reversal of 46444291978 is 87919244464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (46444291973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658724700 + ... + 1658724727.

It is an arithmetic number, because the mean of its divisors is an integer number (9952348284).

Almost surely, 2^46444291978 is an apocalyptic number.

46444291978 is a deficient number, since it is larger than the sum of its proper divisors (33174494294).

46444291978 is a wasteful number, since it uses less digits than its factorization.

46444291978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317449436.

The product of its digits is 13934592, while the sum is 58.

The spelling of 46444291978 in words is "forty-six billion, four hundred forty-four million, two hundred ninety-one thousand, nine hundred seventy-eight".