40403325 has 12 divisors (see below), whose sum is σ = 66800288. Its totient is φ = 21548400.

The previous prime is 40403317. The next prime is 40403369. The reversal of 40403325 is 52330404.

It is a happy number.

It is not a de Polignac number, because 40403325 - 2³ = 40403317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269281 + ... + 269430.

Almost surely, 2^40403325 is an apocalyptic number.

It is an amenable number.

40403325 is a deficient number, since it is larger than the sum of its proper divisors (26396963).

40403325 is a wasteful number, since it uses less digits than its factorization.

40403325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538724 (or 538719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40403325 is about 6356.3609872316. The cubic root of 40403325 is about 343.1408075305.

Adding to 40403325 its reverse (52330404), we get a palindrome (92733729).

The spelling of 40403325 in words is "forty million, four hundred three thousand, three hundred twenty-five".