2939154144 has 96 divisors (see below), whose sum is σ = 7992585216. Its totient is φ = 944732160.

The previous prime is 2939154109. The next prime is 2939154149. The reversal of 2939154144 is 4414519392.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2939154096 and 2939154105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939154149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912024 + ... + 915240.

It is an arithmetic number, because the mean of its divisors is an integer number (83256096).

Almost surely, 2^2939154144 is an apocalyptic number.

2939154144 is a gapful number since it is divisible by the number (24) 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 2939154144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3996292608).

2939154144 is an abundant number, since it is smaller than the sum of its proper divisors (5053431072).

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

2939154144 is a wasteful number, since it uses less digits than its factorization.

2939154144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3560 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 2939154144 is about 54213.9663186526. The cubic root of 2939154144 is about 1432.4323517908.

The spelling of 2939154144 in words is "two billion, nine hundred thirty-nine million, one hundred fifty-four thousand, one hundred forty-four".