40481025 has 24 divisors (see below), whose sum is σ = 72078720. Its totient is φ = 19928640.

The previous prime is 40480991. The next prime is 40481033. The reversal of 40481025 is 52018404.

It is not a de Polignac number, because 40481025 - 2¹³ = 40472833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40480986 and 40481004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19785 + ... + 21734.

It is an arithmetic number, because the mean of its divisors is an integer number (3003280).

Almost surely, 2^40481025 is an apocalyptic number.

It is an amenable number.

40481025 is a deficient number, since it is larger than the sum of its proper divisors (31597695).

40481025 is a wasteful number, since it uses less digits than its factorization.

40481025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41545 (or 41540 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 40481025 is about 6362.4700392222. The cubic root of 40481025 is about 343.3606324059.

Adding to 40481025 its reverse (52018404), we get a palindrome (92499429).

The spelling of 40481025 in words is "forty million, four hundred eighty-one thousand, twenty-five".