514644540 has 48 divisors (see below), whose sum is σ = 1448996640. Its totient is φ = 136477440.

The previous prime is 514644539. The next prime is 514644563. The reversal of 514644540 is 45446415.

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, 12835 + ... + 34554.

It is an arithmetic number, because the mean of its divisors is an integer number (30187430).

Almost surely, 2^514644540 is an apocalyptic number.

It is an amenable number.

514644540 is an abundant number, since it is smaller than the sum of its proper divisors (934352100).

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

514644540 is a wasteful number, since it uses less digits than its factorization.

514644540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47582 (or 47580 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 514644540 is about 22685.7783644291. The cubic root of 514644540 is about 801.3749999483.

The spelling of 514644540 in words is "five hundred fourteen million, six hundred forty-four thousand, five hundred forty".