4645636340 has 24 divisors (see below), whose sum is σ = 9766946952. Its totient is φ = 1856138240.

The previous prime is 4645636339. The next prime is 4645636349. The reversal of 4645636340 is 436365464.

It can be written as a sum of positive squares in 4 ways, for example, as 36312676 + 4609323664 = 6026^2 + 67892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645636349) 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, 114209 + ... + 149448.

It is an arithmetic number, because the mean of its divisors is an integer number (406956123).

Almost surely, 2^4645636340 is an apocalyptic number.

It is an amenable number.

4645636340 is an abundant number, since it is smaller than the sum of its proper divisors (5121310612).

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

4645636340 is a wasteful number, since it uses less digits than its factorization.

4645636340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264547 (or 264545 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The square root of 4645636340 is about 68158.9050674965. The cubic root of 4645636340 is about 1668.5852624577.

The spelling of 4645636340 in words is "four billion, six hundred forty-five million, six hundred thirty-six thousand, three hundred forty".