4231621540608 has 864 divisors, whose sum is σ = 14692012984320. Its totient is φ = 1057635532800.

The previous prime is 4231621540607. The next prime is 4231621540609. The reversal of 4231621540608 is 8060451261324.

It is an interprime number because it is at equal distance from previous prime (4231621540607) and next prime (4231621540609).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4231621540608.

It is not an unprimeable number, because it can be changed into a prime (4231621540607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1864970898 + ... + 1864973166.

Almost surely, 2^{4231621540608} is an apocalyptic number.

4231621540608 is a gapful number since it is divisible by the number (48) 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 4231621540608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7346006492160).

4231621540608 is an abundant number, since it is smaller than the sum of its proper divisors (10460391443712).

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

4231621540608 is a wasteful number, since it uses less digits than its factorization.

4231621540608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 4231621540608 in words is "four trillion, two hundred thirty-one billion, six hundred twenty-one million, five hundred forty thousand, six hundred eight".