4891506480 has 120 divisors (see below), whose sum is σ = 18774087072. Its totient is φ = 1118057472.

The previous prime is 4891506463. The next prime is 4891506511. The reversal of 4891506480 is 846051984.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480229 + ... + 490308.

Almost surely, 2^4891506480 is an apocalyptic number.

4891506480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4891506480 is an abundant number, since it is smaller than the sum of its proper divisors (13882580592).

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

4891506480 is a wasteful number, since it uses less digits than its factorization.

4891506480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970563 (or 970554 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4891506480 is about 69939.3056871456. The cubic root of 4891506480 is about 1697.5173079733.

The spelling of 4891506480 in words is "four billion, eight hundred ninety-one million, five hundred six thousand, four hundred eighty".