4975379640 has 960 divisors, whose sum is σ = 22015224000. Its totient is φ = 1005903360.

The previous prime is 4975379623. The next prime is 4975379641. The reversal of 4975379640 is 469735794.

It is a happy number.

4975379640 is a `hidden beast` number, since 49 + 7 + 537 + 9 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975379641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 134469702 + ... + 134469738.

It is an arithmetic number, because the mean of its divisors is an integer number (22932525).

Almost surely, 2^4975379640 is an apocalyptic number.

4975379640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4975379640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11007612000).

4975379640 is an abundant number, since it is smaller than the sum of its proper divisors (17039844360).

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

4975379640 is a wasteful number, since it uses less digits than its factorization.

4975379640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The square root of 4975379640 is about 70536.3710435971. The cubic root of 4975379640 is about 1707.1646457057.

The spelling of 4975379640 in words is "four billion, nine hundred seventy-five million, three hundred seventy-nine thousand, six hundred forty".