4155461872 has 20 divisors (see below), whose sum is σ = 8164606896. Its totient is φ = 2048466560.

The previous prime is 4155461839. The next prime is 4155461917. The reversal of 4155461872 is 2781645514.

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 3 ways as a sum of consecutive naturals, for example, 1827853 + ... + 1830124.

Almost surely, 2^4155461872 is an apocalyptic number.

It is an amenable number.

4155461872 is a deficient number, since it is larger than the sum of its proper divisors (4009145024).

4155461872 is a wasteful number, since it uses less digits than its factorization.

4155461872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658056 (or 3658050 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 4155461872 is about 64462.8720427503. The cubic root of 4155461872 is about 1607.7052647431.

The spelling of 4155461872 in words is "four billion, one hundred fifty-five million, four hundred sixty-one thousand, eight hundred seventy-two".