6239161342440 has 1024 divisors, whose sum is σ = 24003302400000. Its totient is φ = 1446653260800.

The previous prime is 6239161342439. The next prime is 6239161342499. The reversal of 6239161342440 is 442431619326.

6239161342440 is a `hidden beast` number, since 6 + 2 + 3 + 9 + 1 + 613 + 4 + 24 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4299903715 + ... + 4299905165.

It is an arithmetic number, because the mean of its divisors is an integer number (23440725000).

Almost surely, 2^{6239161342440} is an apocalyptic number.

6239161342440 is a gapful number since it is divisible by the number (60) 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 6239161342440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12001651200000).

6239161342440 is an abundant number, since it is smaller than the sum of its proper divisors (17764141057560).

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

6239161342440 is a wasteful number, since it uses less digits than its factorization.

6239161342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 6239161342440 in words is "six trillion, two hundred thirty-nine billion, one hundred sixty-one million, three hundred forty-two thousand, four hundred forty".