40533520 has 40 divisors (see below), whose sum is σ = 96440256. Its totient is φ = 15835008.

The previous prime is 40533509. The next prime is 40533533. The reversal of 40533520 is 2533504.

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

It is a junction number, because it is equal to n+sod(n) for n = 40533491 and 40533500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2452 + ... + 9331.

Almost surely, 2^40533520 is an apocalyptic number.

40533520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40533520 is an abundant number, since it is smaller than the sum of its proper divisors (55906736).

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

40533520 is a wasteful number, since it uses less digits than its factorization.

40533520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11839 (or 11833 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 40533520 is about 6366.5940659037. The cubic root of 40533520 is about 343.5089894088.

The spelling of 40533520 in words is "forty million, five hundred thirty-three thousand, five hundred twenty".