40355025 has 48 divisors (see below), whose sum is σ = 72995328. Its totient is φ = 19584000.

The previous prime is 40355023. The next prime is 40355033. The reversal of 40355025 is 52055304.

40355025 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 40355025 - 2¹ = 40355023 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40354986 and 40355004.

It is not an unprimeable number, because it can be changed into a prime (40355023) 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, 39015 + ... + 40035.

It is an arithmetic number, because the mean of its divisors is an integer number (1520736).

Almost surely, 2^40355025 is an apocalyptic number.

It is an amenable number.

40355025 is a deficient number, since it is larger than the sum of its proper divisors (32640303).

40355025 is a wasteful number, since it uses less digits than its factorization.

40355025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 40355025 is about 6352.5605073860. The cubic root of 40355025 is about 343.0040175533.

The spelling of 40355025 in words is "forty million, three hundred fifty-five thousand, twenty-five".