2949371520 has 128 divisors (see below), whose sum is σ = 9896040000. Its totient is φ = 745095168.

The previous prime is 2949371459. The next prime is 2949371561. The reversal of 2949371520 is 251739492.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2949371520² = 17397584725974220800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 76904.

Almost surely, 2^2949371520 is an apocalyptic number.

2949371520 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 2949371520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4948020000).

2949371520 is an abundant number, since it is smaller than the sum of its proper divisors (6946668480).

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

2949371520 is a wasteful number, since it uses less digits than its factorization.

2949371520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80890 (or 80878 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2949371520 is about 54308.1165204613. The cubic root of 2949371520 is about 1434.0902860742.

The spelling of 2949371520 in words is "two billion, nine hundred forty-nine million, three hundred seventy-one thousand, five hundred twenty".