38478469500 has 96 divisors (see below), whose sum is σ = 124499269440. Its totient is φ = 10260921600.

The previous prime is 38478469493. The next prime is 38478469507. The reversal of 38478469500 is 596487483.

38478469500 is a `hidden beast` number, since 3 + 8 + 4 + 78 + 4 + 69 + 500 = 666.

It is an interprime number because it is at equal distance from previous prime (38478469493) and next prime (38478469507).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38478469507) 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 31 ways as a sum of consecutive naturals, for example, 1411629 + ... + 1438628.

It is an arithmetic number, because the mean of its divisors is an integer number (1296867390).

Almost surely, 2^38478469500 is an apocalyptic number.

38478469500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38478469500 is an abundant number, since it is smaller than the sum of its proper divisors (86020799940).

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

38478469500 is a wasteful number, since it uses less digits than its factorization.

38478469500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850285 (or 2850267 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 38478469500 in words is "thirty-eight billion, four hundred seventy-eight million, four hundred sixty-nine thousand, five hundred".