4077921504 has 24 divisors (see below), whose sum is σ = 10704544200. Its totient is φ = 1359307136.

The previous prime is 4077921503. The next prime is 4077921539. The reversal of 4077921504 is 4051297704.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077921503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21239079 + ... + 21239270.

It is an arithmetic number, because the mean of its divisors is an integer number (446022675).

Almost surely, 2^4077921504 is an apocalyptic number.

It is an amenable number.

4077921504 is an abundant number, since it is smaller than the sum of its proper divisors (6626622696).

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

4077921504 is a wasteful number, since it uses less digits than its factorization.

4077921504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42478362 (or 42478354 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 4077921504 is about 63858.6055594702. The cubic root of 4077921504 is about 1597.6425574129.

The spelling of 4077921504 in words is "four billion, seventy-seven million, nine hundred twenty-one thousand, five hundred four".