535145385040 has 40 divisors (see below), whose sum is σ = 1421957738880. Its totient is φ = 183478417536.

The previous prime is 535145385029. The next prime is 535145385043. The reversal of 535145385040 is 40583541535.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535145385043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477807820 + ... + 477808939.

It is an arithmetic number, because the mean of its divisors is an integer number (35548943472).

Almost surely, 2^535145385040 is an apocalyptic number.

It is an amenable number.

535145385040 is an abundant number, since it is smaller than the sum of its proper divisors (886812353840).

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

535145385040 is a wasteful number, since it uses less digits than its factorization.

535145385040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955616779 (or 955616773 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 535145385040 in words is "five hundred thirty-five billion, one hundred forty-five million, three hundred eighty-five thousand, forty".