400020614 has 24 divisors (see below), whose sum is σ = 702468000. Its totient is φ = 170338896.

The previous prime is 400020613. The next prime is 400020631. The reversal of 400020614 is 416020004.

It is a junction number, because it is equal to n+sod(n) for n = 400020592 and 400020601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400020613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2387 + ... + 28385.

It is an arithmetic number, because the mean of its divisors is an integer number (29269500).

Almost surely, 2^400020614 is an apocalyptic number.

400020614 is a deficient number, since it is larger than the sum of its proper divisors (302447386).

400020614 is a wasteful number, since it uses less digits than its factorization.

400020614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26172 (or 26165 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400020614 is about 20000.5153433605. The cubic root of 400020614 is about 736.8189566149.

Adding to 400020614 its reverse (416020004), we get a palindrome (816040618).

The spelling of 400020614 in words is "four hundred million, twenty thousand, six hundred fourteen".