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2040115200 = 21235229229
BaseRepresentation
bin111100110011001…
…1011000000000000
312021011211120221020
41321212123000000
513134232141300
6534234425440
7101361456504
oct17146330000
95234746836
102040115200
11957656822
1248b292280
13266881476
14154d3c304
15be1888a0
hex7999b000

2040115200 has 312 divisors, whose sum is σ = 7008219600. Its totient is φ = 522977280.

The previous prime is 2040115193. The next prime is 2040115219. The reversal of 2040115200 is 25110402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2040115200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8908686 + ... + 8908914.

Almost surely, 22040115200 is an apocalyptic number.

2040115200 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 2040115200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3504109800).

2040115200 is an abundant number, since it is smaller than the sum of its proper divisors (4968104400).

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

2040115200 is a wasteful number, since it uses less digits than its factorization.

2040115200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2040115200 is about 45167.6344299765. The cubic root of 2040115200 is about 1268.2890138538.

Adding to 2040115200 its reverse (25110402), we get a palindrome (2065225602).

The spelling of 2040115200 in words is "two billion, forty million, one hundred fifteen thousand, two hundred".