44778146416 has 80 divisors (see below), whose sum is σ = 90396817408. Its totient is φ = 21464352000.

The previous prime is 44778146383. The next prime is 44778146471. The reversal of 44778146416 is 61464187744.

44778146416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40967566 + ... + 40968658.

Almost surely, 2^44778146416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44778146416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45198408704).

44778146416 is an abundant number, since it is smaller than the sum of its proper divisors (45618670992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44778146416 is a wasteful number, since it uses less digits than its factorization.

44778146416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1824 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The spelling of 44778146416 in words is "forty-four billion, seven hundred seventy-eight million, one hundred forty-six thousand, four hundred sixteen".