40535520 has 48 divisors (see below), whose sum is σ = 127688400. Its totient is φ = 10809344.

The previous prime is 40535503. The next prime is 40535527. The reversal of 40535520 is 2553504.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×40535520³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40535527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41745 + ... + 42704.

It is an arithmetic number, because the mean of its divisors is an integer number (2660175).

Almost surely, 2^40535520 is an apocalyptic number.

40535520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40535520 is an abundant number, since it is smaller than the sum of its proper divisors (87152880).

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

40535520 is a wasteful number, since it uses less digits than its factorization.

40535520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84467 (or 84459 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 40535520 is about 6366.7511338201. The cubic root of 40535520 is about 343.5146391088.

The spelling of 40535520 in words is "forty million, five hundred thirty-five thousand, five hundred twenty".