40133025 has 36 divisors (see below), whose sum is σ = 72598032. Its totient is φ = 21191520.

The previous prime is 40133021. The next prime is 40133033. The reversal of 40133025 is 52033104.

It is not a de Polignac number, because 40133025 - 2² = 40133021 is a prime.

It is a super-2 number, since 2×40133025² = 3221319391301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40132989 and 40133007.

It is not an unprimeable number, because it can be changed into a prime (40133021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23242 + ... + 24908.

It is an arithmetic number, because the mean of its divisors is an integer number (2016612).

Almost surely, 2^40133025 is an apocalyptic number.

40133025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40133025 is a deficient number, since it is larger than the sum of its proper divisors (32465007).

40133025 is a wasteful number, since it uses less digits than its factorization.

40133025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40133025 is about 6335.0631409639. The cubic root of 40133025 is about 342.3738857615.

Adding to 40133025 its reverse (52033104), we get a palindrome (92166129).

The spelling of 40133025 in words is "forty million, one hundred thirty-three thousand, twenty-five".