44246778460 has 12 divisors (see below), whose sum is σ = 92918234808. Its totient is φ = 17698711376.

The previous prime is 44246778451. The next prime is 44246778461. The reversal of 44246778460 is 6487764244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44246778398 and 44246778407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44246778461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106169442 + ... + 1106169481.

It is an arithmetic number, because the mean of its divisors is an integer number (7743186234).

Almost surely, 2^44246778460 is an apocalyptic number.

It is an amenable number.

44246778460 is an abundant number, since it is smaller than the sum of its proper divisors (48671456348).

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

44246778460 is a wasteful number, since it uses less digits than its factorization.

44246778460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212338932 (or 2212338930 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 44246778460 in words is "forty-four billion, two hundred forty-six million, seven hundred seventy-eight thousand, four hundred sixty".