4915057440 has 96 divisors (see below), whose sum is σ = 15981912576. Its totient is φ = 1268398080.

The previous prime is 4915057429. The next prime is 4915057447. The reversal of 4915057440 is 447505194.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (4915057447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150277 + ... + 180036.

It is an arithmetic number, because the mean of its divisors is an integer number (166478256).

Almost surely, 2^4915057440 is an apocalyptic number.

4915057440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4915057440 is an abundant number, since it is smaller than the sum of its proper divisors (11066855136).

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

4915057440 is a wasteful number, since it uses less digits than its factorization.

4915057440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330362 (or 330354 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 4915057440 is about 70107.4706432916. The cubic root of 4915057440 is about 1700.2372725335.

The spelling of 4915057440 in words is "four billion, nine hundred fifteen million, fifty-seven thousand, four hundred forty".