40164528 has 20 divisors (see below), whose sum is σ = 103758488. Its totient is φ = 13388160.

The previous prime is 40164511. The next prime is 40164529. The reversal of 40164528 is 82546104.

It is a super-2 number, since 2×40164528² = 3226378618925568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40164495 and 40164504.

It is not an unprimeable number, because it can be changed into a prime (40164529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418333 + ... + 418428.

Almost surely, 2^40164528 is an apocalyptic number.

40164528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40164528 is an abundant number, since it is smaller than the sum of its proper divisors (63593960).

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

40164528 is a wasteful number, since it uses less digits than its factorization.

40164528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836772 (or 836766 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 40164528 is about 6337.5490530646. The cubic root of 40164528 is about 342.4634461140.

The spelling of 40164528 in words is "forty million, one hundred sixty-four thousand, five hundred twenty-eight".