4603878640 has 20 divisors (see below), whose sum is σ = 10704018024. Its totient is φ = 1841551424.

The previous prime is 4603878607. The next prime is 4603878641. The reversal of 4603878640 is 468783064.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4603878641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28774162 + ... + 28774321.

Almost surely, 2^4603878640 is an apocalyptic number.

4603878640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4603878640 is an abundant number, since it is smaller than the sum of its proper divisors (6100139384).

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

4603878640 is a wasteful number, since it uses less digits than its factorization.

4603878640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57548496 (or 57548490 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 4603878640 is about 67851.8875198030. The cubic root of 4603878640 is about 1663.5708008406.

The spelling of 4603878640 in words is "four billion, six hundred three million, eight hundred seventy-eight thousand, six hundred forty".