38654678880 has 144 divisors (see below), whose sum is σ = 139668538464. Its totient is φ = 9701560320.

The previous prime is 38654678849. The next prime is 38654678911. The reversal of 38654678880 is 8887645683.

38654678880 is a `hidden beast` number, since 3 + 8 + 6 + 546 + 7 + 8 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (38654678849) and next prime (38654678911).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765036 + ... + 813995.

It is an arithmetic number, because the mean of its divisors is an integer number (969920406).

Almost surely, 2^38654678880 is an apocalyptic number.

38654678880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38654678880 is an abundant number, since it is smaller than the sum of its proper divisors (101013859584).

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

38654678880 is a wasteful number, since it uses less digits than its factorization.

38654678880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579069 (or 1579058 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 38654678880 in words is "thirty-eight billion, six hundred fifty-four million, six hundred seventy-eight thousand, eight hundred eighty".