40020410 has 8 divisors (see below), whose sum is σ = 72036756. Its totient is φ = 16008160.

The previous prime is 40020389. The next prime is 40020433. The reversal of 40020410 is 1402004.

40020410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32341969 + 7678441 = 5687^2 + 2771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40020391 and 40020400.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2001011 + ... + 2001030.

Almost surely, 2^40020410 is an apocalyptic number.

40020410 is a deficient number, since it is larger than the sum of its proper divisors (32016346).

40020410 is a wasteful number, since it uses less digits than its factorization.

40020410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002048.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40020410 is about 6326.1686667366. The cubic root of 40020410 is about 342.0533471266.

Adding to 40020410 its reverse (1402004), we get a palindrome (41422414).

The spelling of 40020410 in words is "forty million, twenty thousand, four hundred ten".