6622474429440 has 704 divisors, whose sum is σ = 24807674880000. Its totient is φ = 1670757580800.

The previous prime is 6622474429399. The next prime is 6622474429447. The reversal of 6622474429440 is 449244742266.

6622474429440 is a `hidden beast` number, since 6 + 6 + 2 + 2 + 474 + 42 + 94 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6622474429447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2760513361 + ... + 2760515759.

Almost surely, 2^{6622474429440} is an apocalyptic number.

6622474429440 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 6622474429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12403837440000).

6622474429440 is an abundant number, since it is smaller than the sum of its proper divisors (18185200450560).

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

6622474429440 is a wasteful number, since it uses less digits than its factorization.

6622474429440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 54.

The spelling of 6622474429440 in words is "six trillion, six hundred twenty-two billion, four hundred seventy-four million, four hundred twenty-nine thousand, four hundred forty".