520145540316 has 36 divisors (see below), whose sum is σ = 1371978094032. Its totient is φ = 165843505344.

The previous prime is 520145540303. The next prime is 520145540353. The reversal of 520145540316 is 613045541025.

520145540316 is a `hidden beast` number, since 5 + 201 + 45 + 5 + 403 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×520145540316² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314096721 + ... + 314098376.

It is an arithmetic number, because the mean of its divisors is an integer number (38110502612).

Almost surely, 2^520145540316 is an apocalyptic number.

It is an amenable number.

520145540316 is an abundant number, since it is smaller than the sum of its proper divisors (851832553716).

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

520145540316 is a wasteful number, since it uses less digits than its factorization.

520145540316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628195130 (or 628195125 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 520145540316 in words is "five hundred twenty billion, one hundred forty-five million, five hundred forty thousand, three hundred sixteen".