38507033840 has 40 divisors (see below), whose sum is σ = 97667842608. Its totient is φ = 14002557440.

The previous prime is 38507033839. The next prime is 38507033893. The reversal of 38507033840 is 4833070583.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21878117 + ... + 21879876.

Almost surely, 2^38507033840 is an apocalyptic number.

It is an amenable number.

38507033840 is an abundant number, since it is smaller than the sum of its proper divisors (59160808768).

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

38507033840 is a wasteful number, since it uses less digits than its factorization.

38507033840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758017 (or 43758011 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 38507033840 in words is "thirty-eight billion, five hundred seven million, thirty-three thousand, eight hundred forty".