40034025 has 18 divisors (see below), whose sum is σ = 71705790. Its totient is φ = 21351360.

The previous prime is 40034021. The next prime is 40034039. The reversal of 40034025 is 52043004.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3164841 + 36869184 = 1779^2 + 6072^2 .

It is not a de Polignac number, because 40034025 - 2² = 40034021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40033989 and 40034007.

It is not an unprimeable number, because it can be changed into a prime (40034021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88740 + ... + 89189.

It is an arithmetic number, because the mean of its divisors is an integer number (3983655).

Almost surely, 2^40034025 is an apocalyptic number.

40034025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40034025 is a deficient number, since it is larger than the sum of its proper divisors (31671765).

40034025 is a wasteful number, since it uses less digits than its factorization.

40034025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177945 (or 177937 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40034025 is about 6327.2446609879. The cubic root of 40034025 is about 342.0921317393.

Adding to 40034025 its reverse (52043004), we get a palindrome (92077029).

The spelling of 40034025 in words is "forty million, thirty-four thousand, twenty-five".