38471191440 has 80 divisors (see below), whose sum is σ = 130102583616. Its totient is φ = 9326348800.

The previous prime is 38471191433. The next prime is 38471191459. The reversal of 38471191440 is 4419117483.

38471191440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 38471191392 and 38471191401.

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, 7283571 + ... + 7288850.

Almost surely, 2^38471191440 is an apocalyptic number.

38471191440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38471191440 is an abundant number, since it is smaller than the sum of its proper divisors (91631392176).

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

38471191440 is a wasteful number, since it uses less digits than its factorization.

38471191440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572448 (or 14572442 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 38471191440 in words is "thirty-eight billion, four hundred seventy-one million, one hundred ninety-one thousand, four hundred forty".