515046514140 has 144 divisors (see below), whose sum is σ = 1627852786560. Its totient is φ = 136694537280.

The previous prime is 515046514063. The next prime is 515046514153. The reversal of 515046514140 is 41415640515.

515046514140 is a `hidden beast` number, since 5 + 1 + 50 + 465 + 1 + 4 + 140 = 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 = 515046514095 and 515046514104.

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, 774331 + ... + 1276589.

It is an arithmetic number, because the mean of its divisors is an integer number (11304533240).

Almost surely, 2^515046514140 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 515046514140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813926393280).

515046514140 is an abundant number, since it is smaller than the sum of its proper divisors (1112806272420).

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

515046514140 is a wasteful number, since it uses less digits than its factorization.

515046514140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502494 (or 502480 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 515046514140 in words is "five hundred fifteen billion, forty-six million, five hundred fourteen thousand, one hundred forty".