6201503640 has 64 divisors (see below), whose sum is σ = 20671682400. Its totient is φ = 1653734016.

The previous prime is 6201503587. The next prime is 6201503641. The reversal of 6201503640 is 463051026.

6201503640 is a `hidden beast` number, since 6 + 2 + 0 + 15 + 0 + 3 + 640 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6201503641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2869987 + ... + 2872146.

Almost surely, 2^6201503640 is an apocalyptic number.

6201503640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6201503640 is an abundant number, since it is smaller than the sum of its proper divisors (14470178760).

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

6201503640 is a wasteful number, since it uses less digits than its factorization.

6201503640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742153 (or 5742143 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6201503640 is about 78749.6262848275. The cubic root of 6201503640 is about 1837.2390499904.

Adding to 6201503640 its reverse (463051026), we get a palindrome (6664554666).

The spelling of 6201503640 in words is "six billion, two hundred one million, five hundred three thousand, six hundred forty".