616541340 has 48 divisors (see below), whose sum is σ = 1733235840. Its totient is φ = 163752000.

The previous prime is 616541293. The next prime is 616541377. The reversal of 616541340 is 43145616.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 616541298 and 616541307.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5410 + ... + 35529.

It is an arithmetic number, because the mean of its divisors is an integer number (36109080).

Almost surely, 2^616541340 is an apocalyptic number.

616541340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616541340 is an abundant number, since it is smaller than the sum of its proper divisors (1116694500).

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

616541340 is a wasteful number, since it uses less digits than its factorization.

616541340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41202 (or 41200 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 616541340 is about 24830.2505021597. The cubic root of 616541340 is about 851.1133461563.

Adding to 616541340 its reverse (43145616), we get a palindrome (659686956).

The spelling of 616541340 in words is "six hundred sixteen million, five hundred forty-one thousand, three hundred forty".