2301273640 has 32 divisors (see below), whose sum is σ = 5199552000. Its totient is φ = 916654144.

The previous prime is 2301273593. The next prime is 2301273649. The reversal of 2301273640 is 463721032.

It is a junction number, because it is equal to n+sod(n) for n = 2301273599 and 2301273608.

It is not an unprimeable number, because it can be changed into a prime (2301273649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110800 + ... + 129919.

It is an arithmetic number, because the mean of its divisors is an integer number (162486000).

Almost surely, 2^2301273640 is an apocalyptic number.

2301273640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301273640 is an abundant number, since it is smaller than the sum of its proper divisors (2898278360).

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

2301273640 is a wasteful number, since it uses less digits than its factorization.

2301273640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240969 (or 240965 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 2301273640 is about 47971.5920102721. The cubic root of 2301273640 is about 1320.2497308343.

Adding to 2301273640 its reverse (463721032), we get a palindrome (2764994672).

The spelling of 2301273640 in words is "two billion, three hundred one million, two hundred seventy-three thousand, six hundred forty".