3535520478 has 32 divisors (see below), whose sum is σ = 8096179200. Its totient is φ = 1008275040.

The previous prime is 3535520477. The next prime is 3535520491. The reversal of 3535520478 is 8740255353.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535520477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55078 + ... + 100521.

It is an arithmetic number, because the mean of its divisors is an integer number (253005600).

Almost surely, 2^3535520478 is an apocalyptic number.

3535520478 is an abundant number, since it is smaller than the sum of its proper divisors (4560658722).

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

3535520478 is a wasteful number, since it uses less digits than its factorization.

3535520478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156152.

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 3535520478 is about 59460.2428350238. The cubic root of 3535520478 is about 1523.4134503024.

The spelling of 3535520478 in words is "three billion, five hundred thirty-five million, five hundred twenty thousand, four hundred seventy-eight".