4640626339648 has 112 divisors (see below), whose sum is σ = 10203013684864. Its totient is φ = 2080282798080.

The previous prime is 4640626339627. The next prime is 4640626339693. The reversal of 4640626339648 is 8469336260464.

It is a super-3 number, since 3×4640626339648³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17445661 + ... + 17709667.

It is an arithmetic number, because the mean of its divisors is an integer number (91098336472).

Almost surely, 2^{4640626339648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640626339648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5101506842432).

4640626339648 is an abundant number, since it is smaller than the sum of its proper divisors (5562387345216).

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

4640626339648 is a wasteful number, since it uses less digits than its factorization.

4640626339648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264640 (or 264630 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 61.

The spelling of 4640626339648 in words is "four trillion, six hundred forty billion, six hundred twenty-six million, three hundred thirty-nine thousand, six hundred forty-eight".