2141291520 has 264 divisors, whose sum is σ = 7663968000. Its totient is φ = 552222720.

The previous prime is 2141291497. The next prime is 2141291521. The reversal of 2141291520 is 251921412.

2141291520 is a `hidden beast` number, since 2 + 14 + 129 + 1 + 520 = 666.

It is not an unprimeable number, because it can be changed into a prime (2141291521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427731 + ... + 1429229.

Almost surely, 2^2141291520 is an apocalyptic number.

2141291520 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 2141291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3831984000).

2141291520 is an abundant number, since it is smaller than the sum of its proper divisors (5522676480).

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

2141291520 is a wasteful number, since it uses less digits than its factorization.

2141291520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2141291520 is about 46274.0912390508. The cubic root of 2141291520 is about 1288.9179316132.

The spelling of 2141291520 in words is "two billion, one hundred forty-one million, two hundred ninety-one thousand, five hundred twenty".