67440477104 has 80 divisors (see below), whose sum is σ = 175439604480. Its totient is φ = 24254311680.

The previous prime is 67440477077. The next prime is 67440477187. The reversal of 67440477104 is 40177404476.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089394 + ... + 2121425.

It is an arithmetic number, because the mean of its divisors is an integer number (2192995056).

Almost surely, 2^67440477104 is an apocalyptic number.

It is an amenable number.

67440477104 is an abundant number, since it is smaller than the sum of its proper divisors (107999127376).

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

67440477104 is a wasteful number, since it uses less digits than its factorization.

67440477104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210858 (or 4210852 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 44.

The spelling of 67440477104 in words is "sixty-seven billion, four hundred forty million, four hundred seventy-seven thousand, one hundred four".