40420014 has 16 divisors (see below), whose sum is σ = 82812240. Its totient is φ = 13144640.

The previous prime is 40420013. The next prime is 40420057. The reversal of 40420014 is 41002404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40419975 and 40420002.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81909 + ... + 82400.

It is an arithmetic number, because the mean of its divisors is an integer number (5175765).

Almost surely, 2^40420014 is an apocalyptic number.

40420014 is an abundant number, since it is smaller than the sum of its proper divisors (42392226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40420014 is a wasteful number, since it uses less digits than its factorization.

40420014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164355.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40420014 is about 6357.6736311327. The cubic root of 40420014 is about 343.1880469481.

Adding to 40420014 its reverse (41002404), we get a palindrome (81422418).

The spelling of 40420014 in words is "forty million, four hundred twenty thousand, fourteen".