638200750750 has 16 divisors (see below), whose sum is σ = 1194711805872. Its totient is φ = 255280300200.

The previous prime is 638200750703. The next prime is 638200750763. The reversal of 638200750750 is 57057002836.

It is a junction number, because it is equal to n+sod(n) for n = 638200750697 and 638200750706.

It is a congruent number.

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, 1276401252 + ... + 1276401751.

It is an arithmetic number, because the mean of its divisors is an integer number (74669487867).

Almost surely, 2^638200750750 is an apocalyptic number.

638200750750 is a deficient number, since it is larger than the sum of its proper divisors (556511055122).

638200750750 is a wasteful number, since it uses less digits than its factorization.

638200750750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552803020 (or 2552803010 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 638200750750 in words is "six hundred thirty-eight billion, two hundred million, seven hundred fifty thousand, seven hundred fifty".