44978419393 has 8 divisors (see below), whose sum is σ = 45109702400. Its totient is φ = 44847280800.

The previous prime is 44978419319. The next prime is 44978419429. The reversal of 44978419393 is 39391487944.

44978419393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 44978419393 - 2¹⁷ = 44978288321 is a prime.

It is a super-2 number, since 2×44978419393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44978429393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604168 + ... + 674518.

It is an arithmetic number, because the mean of its divisors is an integer number (5638712800).

Almost surely, 2^44978419393 is an apocalyptic number.

It is an amenable number.

44978419393 is a deficient number, since it is larger than the sum of its proper divisors (131283007).

44978419393 is a wasteful number, since it uses less digits than its factorization.

44978419393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72207.

The product of its digits is 23514624, while the sum is 61.

The spelling of 44978419393 in words is "forty-four billion, nine hundred seventy-eight million, four hundred nineteen thousand, three hundred ninety-three".