616434633305040 has 160 divisors (see below), whose sum is σ = 2105310147276672. Its totient is φ = 147959107840000.

The previous prime is 616434633305021. The next prime is 616434633305041. The reversal of 616434633305040 is 40503336434616.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616434633305041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1155663891 + ... + 1156197170.

Almost surely, 2^{616434633305040} is an apocalyptic number.

616434633305040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616434633305040 is an abundant number, since it is smaller than the sum of its proper divisors (1488875513971632).

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

616434633305040 is a wasteful number, since it uses less digits than its factorization.

616434633305040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311861189 (or 2311861183 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 48.

Adding to 616434633305040 its reverse (40503336434616), we get a palindrome (656937969739656).

The spelling of 616434633305040 in words is "six hundred sixteen trillion, four hundred thirty-four billion, six hundred thirty-three million, three hundred five thousand, forty".