40528512 has 96 divisors (see below), whose sum is σ = 121037280. Its totient is φ = 13499136.

The previous prime is 40528511. The next prime is 40528531. The reversal of 40528512 is 21582504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40528511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30453 + ... + 31755.

It is an arithmetic number, because the mean of its divisors is an integer number (1260805).

Almost surely, 2^40528512 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 40528512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60518640).

40528512 is an abundant number, since it is smaller than the sum of its proper divisors (80508768).

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

40528512 is an equidigital number, since it uses as much as digits as its factorization.

40528512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 40528512 is about 6366.2007508403. The cubic root of 40528512 is about 343.4948417448.

The spelling of 40528512 in words is "forty million, five hundred twenty-eight thousand, five hundred twelve".