35420252520 has 64 divisors (see below), whose sum is σ = 106275939840. Its totient is φ = 9444051200.

The previous prime is 35420252467. The next prime is 35420252557. The reversal of 35420252520 is 2525202453.

It is a super-3 number, since 3×35420252520³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1046665 + ... + 1079975.

It is an arithmetic number, because the mean of its divisors is an integer number (1660561560).

Almost surely, 2^35420252520 is an apocalyptic number.

35420252520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

35420252520 is an abundant number, since it is smaller than the sum of its proper divisors (70855687320).

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

35420252520 is a wasteful number, since it uses less digits than its factorization.

35420252520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42186 (or 42182 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 35420252520 its reverse (2525202453), we get a palindrome (37945454973).

The spelling of 35420252520 in words is "thirty-five billion, four hundred twenty million, two hundred fifty-two thousand, five hundred twenty".