4909461540 has 24 divisors (see below), whose sum is σ = 13746492480. Its totient is φ = 1309189728.

The previous prime is 4909461511. The next prime is 4909461559. The reversal of 4909461540 is 451649094.

It is a super-2 number, since 2×4909461540² = 48205625225478343200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4909461492 and 4909461501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40912120 + ... + 40912239.

It is an arithmetic number, because the mean of its divisors is an integer number (572770520).

Almost surely, 2^4909461540 is an apocalyptic number.

It is an amenable number.

4909461540 is an abundant number, since it is smaller than the sum of its proper divisors (8837030940).

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

4909461540 is a wasteful number, since it uses less digits than its factorization.

4909461540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81824371 (or 81824369 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 4909461540 is about 70067.5498358548. The cubic root of 4909461540 is about 1699.5917751056.

The spelling of 4909461540 in words is "four billion, nine hundred nine million, four hundred sixty-one thousand, five hundred forty".