3640420314 has 32 divisors (see below), whose sum is σ = 8093496000. Its totient is φ = 1212922512.

The previous prime is 3640420271. The next prime is 3640420319. The reversal of 3640420314 is 4130240463.

3640420314 is a `hidden beast` number, since 3 + 640 + 4 + 2 + 0 + 3 + 14 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3640420319) 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, 114897 + ... + 143115.

It is an arithmetic number, because the mean of its divisors is an integer number (252921750).

Almost surely, 2^3640420314 is an apocalyptic number.

3640420314 is an abundant number, since it is smaller than the sum of its proper divisors (4453075686).

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

3640420314 is a wasteful number, since it uses less digits than its factorization.

3640420314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30619 (or 30613 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3640420314 is about 60335.8957338001. The cubic root of 3640420314 is about 1538.3335425474. Note that the first 3 decimals are identical.

Adding to 3640420314 its reverse (4130240463), we get a palindrome (7770660777).

The spelling of 3640420314 in words is "three billion, six hundred forty million, four hundred twenty thousand, three hundred fourteen".