4621640412 has 24 divisors (see below), whose sum is σ = 10797380496. Its totient is φ = 1538610688.

The previous prime is 4621640411. The next prime is 4621640459. The reversal of 4621640412 is 2140461264.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4621640412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621640411) 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, 232053 + ... + 251180.

It is an arithmetic number, because the mean of its divisors is an integer number (449890854).

Almost surely, 2^4621640412 is an apocalyptic number.

It is an amenable number.

4621640412 is an abundant number, since it is smaller than the sum of its proper divisors (6175740084).

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

4621640412 is a wasteful number, since it uses less digits than its factorization.

4621640412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484037 (or 484035 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4621640412 is about 67982.6478742922. The cubic root of 4621640412 is about 1665.7074085514.

The spelling of 4621640412 in words is "four billion, six hundred twenty-one million, six hundred forty thousand, four hundred twelve".