2101548240 has 200 divisors, whose sum is σ = 7962802848. Its totient is φ = 509448960.

The previous prime is 2101548217. The next prime is 2101548259. The reversal of 2101548240 is 428451012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56539 + ... + 86021.

Almost surely, 2^2101548240 is an apocalyptic number.

2101548240 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 2101548240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981401424).

2101548240 is an abundant number, since it is smaller than the sum of its proper divisors (5861254608).

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

2101548240 is a wasteful number, since it uses less digits than its factorization.

2101548240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29519 (or 29504 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2101548240 is about 45842.6465204617. The cubic root of 2101548240 is about 1280.8937930584.

Adding to 2101548240 its reverse (428451012), we get a palindrome (2529999252).

The spelling of 2101548240 in words is "two billion, one hundred one million, five hundred forty-eight thousand, two hundred forty".