525413681403040 has 72 divisors (see below), whose sum is σ = 1297605428829108. Its totient is φ = 201027843287040.

The previous prime is 525413681402989. The next prime is 525413681403053. The reversal of 525413681403040 is 40304186314525.

It can be written as a sum of positive squares in 2 ways, for example, as 523862191937296 + 1551489465744 = 22888036^2 + 1245588^2 .

It is a super-2 number, since 2×525413681403040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 3103729641 + ... + 3103898920.

Almost surely, 2^{525413681403040} is an apocalyptic number.

It is an amenable number.

525413681403040 is an abundant number, since it is smaller than the sum of its proper divisors (772191747426068).

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

525413681403040 is a wasteful number, since it uses less digits than its factorization.

525413681403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207628622 (or 6207628591 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 525413681403040 in words is "five hundred twenty-five trillion, four hundred thirteen billion, six hundred eighty-one million, four hundred three thousand, forty".