35520420144 has 160 divisors (see below), whose sum is σ = 101720346624. Its totient is φ = 10591223040.

The previous prime is 35520420077. The next prime is 35520420157. The reversal of 35520420144 is 44102402553.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8862589 + ... + 8866595.

Almost surely, 2^35520420144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35520420144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50860173312).

35520420144 is an abundant number, since it is smaller than the sum of its proper divisors (66199926480).

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

35520420144 is a wasteful number, since it uses less digits than its factorization.

35520420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 35520420144 its reverse (44102402553), we get a palindrome (79622822697).

The spelling of 35520420144 in words is "thirty-five billion, five hundred twenty million, four hundred twenty thousand, one hundred forty-four".