38498909436 has 72 divisors (see below), whose sum is σ = 105764218560. Its totient is φ = 11737125504.

The previous prime is 38498909419. The next prime is 38498909437. The reversal of 38498909436 is 63490989483.

It is a super-2 number, since 2×38498909436² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38498909437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326340 + ... + 428363.

It is an arithmetic number, because the mean of its divisors is an integer number (1468947480).

Almost surely, 2^38498909436 is an apocalyptic number.

38498909436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38498909436 is an abundant number, since it is smaller than the sum of its proper divisors (67265309124).

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

38498909436 is a wasteful number, since it uses less digits than its factorization.

38498909436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754835 (or 754830 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 38498909436 in words is "thirty-eight billion, four hundred ninety-eight million, nine hundred nine thousand, four hundred thirty-six".