67140149488944 has 40 divisors (see below), whose sum is σ = 198223298492160. Its totient is φ = 19182899853888.

The previous prime is 67140149488901. The next prime is 67140149488961. The reversal of 67140149488944 is 44988494104176.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99910936404 + ... + 99910937075.

It is an arithmetic number, because the mean of its divisors is an integer number (4955582462304).

Almost surely, 2^{67140149488944} is an apocalyptic number.

It is an amenable number.

67140149488944 is an abundant number, since it is smaller than the sum of its proper divisors (131083149003216).

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

67140149488944 is a wasteful number, since it uses less digits than its factorization.

67140149488944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199821873497 (or 199821873491 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 67140149488944 in words is "sixty-seven trillion, one hundred forty billion, one hundred forty-nine million, four hundred eighty-eight thousand, nine hundred forty-four".