616040460 has 72 divisors (see below), whose sum is σ = 2135611296. Its totient is φ = 140808960.

The previous prime is 616040443. The next prime is 616040479. The reversal of 616040460 is 64040616.

616040460 is a `hidden beast` number, since 6 + 160 + 40 + 460 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243201 + ... + 245720.

It is an arithmetic number, because the mean of its divisors is an integer number (29661268).

Almost surely, 2^616040460 is an apocalyptic number.

616040460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616040460 is an abundant number, since it is smaller than the sum of its proper divisors (1519570836).

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

616040460 is a wasteful number, since it uses less digits than its factorization.

616040460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488943 (or 488938 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 616040460 is about 24820.1623685261. The cubic root of 616040460 is about 850.8828013838.

The spelling of 616040460 in words is "six hundred sixteen million, forty thousand, four hundred sixty".