40132828 has 6 divisors (see below), whose sum is σ = 70232456. Its totient is φ = 20066412.

The previous prime is 40132823. The next prime is 40132831. The reversal of 40132828 is 82823104.

40132828 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×40132828² = 3221287766555168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40132796 and 40132805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132823) 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 as a sum of consecutive naturals, namely, 5016600 + ... + 5016607.

Almost surely, 2^40132828 is an apocalyptic number.

It is an amenable number.

40132828 is a deficient number, since it is larger than the sum of its proper divisors (30099628).

40132828 is a wasteful number, since it uses less digits than its factorization.

40132828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033211 (or 10033209 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 40132828 is about 6335.0475925600. The cubic root of 40132828 is about 342.3733255598.

The spelling of 40132828 in words is "forty million, one hundred thirty-two thousand, eight hundred twenty-eight".