616251340 has 24 divisors (see below), whose sum is σ = 1294608672. Its totient is φ = 246408960.

The previous prime is 616251331. The next prime is 616251359. The reversal of 616251340 is 43152616.

It is a junction number, because it is equal to n+sod(n) for n = 616251299 and 616251308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82980 + ... + 90100.

It is an arithmetic number, because the mean of its divisors is an integer number (53942028).

Almost surely, 2^616251340 is an apocalyptic number.

It is an amenable number.

616251340 is an abundant number, since it is smaller than the sum of its proper divisors (678357332).

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

616251340 is a wasteful number, since it uses less digits than its factorization.

616251340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457 (or 11455 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 616251340 is about 24824.4101641912. The cubic root of 616251340 is about 850.9798803401.

The spelling of 616251340 in words is "six hundred sixteen million, two hundred fifty-one thousand, three hundred forty".