2938172880 has 80 divisors (see below), whose sum is σ = 9143164800. Its totient is φ = 780516864.

The previous prime is 2938172857. The next prime is 2938172999. The reversal of 2938172880 is 882718392.

2938172880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39846 + ... + 86394.

It is an arithmetic number, because the mean of its divisors is an integer number (114289560).

Almost surely, 2^2938172880 is an apocalyptic number.

2938172880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2938172880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4571582400).

2938172880 is an abundant number, since it is smaller than the sum of its proper divisors (6204991920).

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

2938172880 is a wasteful number, since it uses less digits than its factorization.

2938172880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46828 (or 46822 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 2938172880 is about 54204.9156442476. The cubic root of 2938172880 is about 1432.2729237510.

The spelling of 2938172880 in words is "two billion, nine hundred thirty-eight million, one hundred seventy-two thousand, eight hundred eighty".