40420010 has 8 divisors (see below), whose sum is σ = 72756036. Its totient is φ = 16168000.

The previous prime is 40420007. The next prime is 40420013. The reversal of 40420010 is 1002404.

It is an interprime number because it is at equal distance from previous prime (40420007) and next prime (40420013).

It can be written as a sum of positive squares in 2 ways, for example, as 39702601 + 717409 = 6301^2 + 847^2 .

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 = 40419973 and 40420000.

It is not an unprimeable number, because it can be changed into a prime (40420013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020991 + ... + 2021010.

Almost surely, 2^40420010 is an apocalyptic number.

40420010 is a deficient number, since it is larger than the sum of its proper divisors (32336026).

40420010 is a wasteful number, since it uses less digits than its factorization.

40420010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042008.

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

The square root of 40420010 is about 6357.6733165522. The cubic root of 40420010 is about 343.1880356274.

Adding to 40420010 its reverse (1002404), we get a palindrome (41422414).

The spelling of 40420010 in words is "forty million, four hundred twenty thousand, ten".