4768187640 has 64 divisors (see below), whose sum is σ = 14324083200. Its totient is φ = 1269781632.

The previous prime is 4768187621. The next prime is 4768187653. The reversal of 4768187640 is 467818674.

It is a happy number.

It is a super-2 number, since 2×4768187640² = 45471226740497539200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62421 + ... + 115899.

It is an arithmetic number, because the mean of its divisors is an integer number (223813800).

Almost surely, 2^4768187640 is an apocalyptic number.

4768187640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4768187640 is an abundant number, since it is smaller than the sum of its proper divisors (9555895560).

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

4768187640 is a wasteful number, since it uses less digits than its factorization.

4768187640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54236 (or 54232 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 4768187640 is about 69052.0647048298. The cubic root of 4768187640 is about 1683.1304585315.

The spelling of 4768187640 in words is "four billion, seven hundred sixty-eight million, one hundred eighty-seven thousand, six hundred forty".