4906261640 has 64 divisors (see below), whose sum is σ = 12624629760. Its totient is φ = 1681009920.

The previous prime is 4906261627. The next prime is 4906261669. The reversal of 4906261640 is 461626094.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4906261594 and 4906261603.

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, 480185 + ... + 490295.

It is an arithmetic number, because the mean of its divisors is an integer number (197259840).

Almost surely, 2^4906261640 is an apocalyptic number.

4906261640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4906261640 is an abundant number, since it is smaller than the sum of its proper divisors (7718368120).

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

4906261640 is a wasteful number, since it uses less digits than its factorization.

4906261640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11862 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 4906261640 is about 70044.7117204433. The cubic root of 4906261640 is about 1699.2224402554. Note that the first 3 decimals are identical.

The spelling of 4906261640 in words is "four billion, nine hundred six million, two hundred sixty-one thousand, six hundred forty".