4181272920 has 128 divisors (see below), whose sum is σ = 15204672000. Its totient is φ = 1013639040.

The previous prime is 4181272883. The next prime is 4181272939. The reversal of 4181272920 is 292721814.

4181272920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164100 + ... + 187859.

It is an arithmetic number, because the mean of its divisors is an integer number (118786500).

Almost surely, 2^4181272920 is an apocalyptic number.

4181272920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4181272920 is an abundant number, since it is smaller than the sum of its proper divisors (11023399080).

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

4181272920 is a wasteful number, since it uses less digits than its factorization.

4181272920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351990 (or 351980 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 4181272920 is about 64662.7630093240. The cubic root of 4181272920 is about 1611.0270724967.

The spelling of 4181272920 in words is "four billion, one hundred eighty-one million, two hundred seventy-two thousand, nine hundred twenty".