4979546440 has 128 divisors (see below), whose sum is σ = 12492144000. Its totient is φ = 1771264000.

The previous prime is 4979546423. The next prime is 4979546489. The reversal of 4979546440 is 446459794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3954531 + ... + 3955789.

It is an arithmetic number, because the mean of its divisors is an integer number (97594875).

Almost surely, 2^4979546440 is an apocalyptic number.

4979546440 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 4979546440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6246072000).

4979546440 is an abundant number, since it is smaller than the sum of its proper divisors (7512597560).

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

4979546440 is a wasteful number, since it uses less digits than its factorization.

4979546440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 4979546440 is about 70565.9013972046. The cubic root of 4979546440 is about 1707.6410869888.

The spelling of 4979546440 in words is "four billion, nine hundred seventy-nine million, five hundred forty-six thousand, four hundred forty".