4018471722912 has 24 divisors (see below), whose sum is σ = 10548488272896. Its totient is φ = 1339490574272.

The previous prime is 4018471722791. The next prime is 4018471722983. The reversal of 4018471722912 is 2192271748104.

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

It is a super-2 number, since 2×4018471722912² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20929540128 + ... + 20929540319.

It is an arithmetic number, because the mean of its divisors is an integer number (439520344704).

Almost surely, 2^{4018471722912} is an apocalyptic number.

It is an amenable number.

4018471722912 is an abundant number, since it is smaller than the sum of its proper divisors (6530016549984).

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

4018471722912 is a wasteful number, since it uses less digits than its factorization.

4018471722912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41859080460 (or 41859080452 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 4018471722912 in words is "four trillion, eighteen billion, four hundred seventy-one million, seven hundred twenty-two thousand, nine hundred twelve".