4620666230640 has 320 divisors, whose sum is σ = 17082698601600. Its totient is φ = 1143809703936.

The previous prime is 4620666230639. The next prime is 4620666230711. The reversal of 4620666230640 is 460326660264.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1818676 + ... + 3542444.

It is an arithmetic number, because the mean of its divisors is an integer number (53383433130).

Almost surely, 2^{4620666230640} is an apocalyptic number.

4620666230640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4620666230640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8541349300800).

4620666230640 is an abundant number, since it is smaller than the sum of its proper divisors (12462032370960).

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

4620666230640 is a wasteful number, since it uses less digits than its factorization.

4620666230640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723881 (or 1723869 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 4620666230640 in words is "four trillion, six hundred twenty billion, six hundred sixty-six million, two hundred thirty thousand, six hundred forty".