40634325 has 48 divisors (see below), whose sum is σ = 76711360. Its totient is φ = 21072960.

The previous prime is 40634323. The next prime is 40634329. The reversal of 40634325 is 52343604.

40634325 is a `hidden beast` number, since 4 + 0 + 634 + 3 + 25 = 666.

40634325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40634325 - 2¹ = 40634323 is a prime.

It is a super-2 number, since 2×40634325² = 3302296736411250, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24162 + ... + 25788.

Almost surely, 2^40634325 is an apocalyptic number.

40634325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40634325 is a deficient number, since it is larger than the sum of its proper divisors (36077035).

40634325 is a wasteful number, since it uses less digits than its factorization.

40634325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40634325 is about 6374.5058632023. The cubic root of 40634325 is about 343.7935173557.

Adding to 40634325 its reverse (52343604), we get a palindrome (92977929).

The spelling of 40634325 in words is "forty million, six hundred thirty-four thousand, three hundred twenty-five".