4944478140 has 240 divisors, whose sum is σ = 17780657664. Its totient is φ = 1126742400.

The previous prime is 4944478103. The next prime is 4944478177. The reversal of 4944478140 is 418744494.

4944478140 is a `hidden beast` number, since 4 + 94 + 447 + 81 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (4944478103) and next prime (4944478177).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7155195 + ... + 7155885.

Almost surely, 2^4944478140 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 4944478140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8890328832).

4944478140 is an abundant number, since it is smaller than the sum of its proper divisors (12836179524).

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

4944478140 is a wasteful number, since it uses less digits than its factorization.

4944478140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4944478140 is about 70316.9832970670. The cubic root of 4944478140 is about 1703.6229700455.

The spelling of 4944478140 in words is "four billion, nine hundred forty-four million, four hundred seventy-eight thousand, one hundred forty".