6201200040 has 128 divisors (see below), whose sum is σ = 21277624320. Its totient is φ = 1416326400.

The previous prime is 6201200003. The next prime is 6201200053. The reversal of 6201200040 is 400021026.

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

It is a junction number, because it is equal to n+sod(n) for n = 6201199992 and 6201200019.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1687405 + ... + 1691075.

It is an arithmetic number, because the mean of its divisors is an integer number (166231440).

Almost surely, 2^6201200040 is an apocalyptic number.

6201200040 is a gapful number since it is divisible by the number (60) 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 6201200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10638812160).

6201200040 is an abundant number, since it is smaller than the sum of its proper divisors (15076424280).

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

6201200040 is a wasteful number, since it uses less digits than its factorization.

6201200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703 (or 5699 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 6201200040 is about 78747.6986330394. The cubic root of 6201200040 is about 1837.2090682897.

Adding to 6201200040 its reverse (400021026), we get a palindrome (6601221066).

The spelling of 6201200040 in words is "six billion, two hundred one million, two hundred thousand, forty".