525345345542340 has 36 divisors (see below), whose sum is σ = 1593547548145644. Its totient is φ = 140092092144576.

The previous prime is 525345345542321. The next prime is 525345345542351. The reversal of 525345345542340 is 43245543543525.

525345345542340 is a `hidden beast` number, since 5 + 2 + 5 + 3 + 4 + 53 + 4 + 5 + 542 + 3 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 303397801949124 + 221947543593216 = 17418318^2 + 14897904^2 .

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

It is a super-2 number, since 2×525345345542340² (a number of 30 digits) contains 22 as substring.

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, 1459292626327 + ... + 1459292626686.

Almost surely, 2^{525345345542340} is an apocalyptic number.

It is an amenable number.

525345345542340 is an abundant number, since it is smaller than the sum of its proper divisors (1068202202603304).

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

525345345542340 is a wasteful number, since it uses less digits than its factorization.

525345345542340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918585253028 (or 2918585253023 counting only the distinct ones).

The product of its (nonzero) digits is 86400000, while the sum is 54.

The spelling of 525345345542340 in words is "five hundred twenty-five trillion, three hundred forty-five billion, three hundred forty-five million, five hundred forty-two thousand, three hundred forty".