4020373872 has 160 divisors (see below), whose sum is σ = 12099225600. Its totient is φ = 1275740928.

The previous prime is 4020373871. The next prime is 4020373879. The reversal of 4020373872 is 2783730204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020373871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2373858 + ... + 2375550.

It is an arithmetic number, because the mean of its divisors is an integer number (75620160).

Almost surely, 2^4020373872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020373872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6049612800).

4020373872 is an abundant number, since it is smaller than the sum of its proper divisors (8078851728).

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

4020373872 is a wasteful number, since it uses less digits than its factorization.

4020373872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 4020373872 is about 63406.4182240252. The cubic root of 4020373872 is about 1590.0916145147.

The spelling of 4020373872 in words is "four billion, twenty million, three hundred seventy-three thousand, eight hundred seventy-two".