514320043644 has 144 divisors (see below), whose sum is σ = 1511430036480. Its totient is φ = 145906273920.

The previous prime is 514320043613. The next prime is 514320043663. The reversal of 514320043644 is 446340023415.

514320043644 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 2 + 0 + 0 + 4 + 3 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 514320043599 and 514320043608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172659 + ... + 1028810.

It is an arithmetic number, because the mean of its divisors is an integer number (10496041920).

Almost surely, 2^514320043644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514320043644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755715018240).

514320043644 is an abundant number, since it is smaller than the sum of its proper divisors (997109992836).

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

514320043644 is a wasteful number, since it uses less digits than its factorization.

514320043644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201560 (or 1201555 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 514320043644 in words is "five hundred fourteen billion, three hundred twenty million, forty-three thousand, six hundred forty-four".