400000883942 has 8 divisors (see below), whose sum is σ = 654546901032. Its totient is φ = 181818583600.

The previous prime is 400000883927. The next prime is 400000883981. The reversal of 400000883942 is 249388000004.

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 = 400000883896 and 400000883905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9090929159 + ... + 9090929202.

It is an arithmetic number, because the mean of its divisors is an integer number (81818362629).

Almost surely, 2^400000883942 is an apocalyptic number.

400000883942 is a deficient number, since it is larger than the sum of its proper divisors (254546017090).

400000883942 is a wasteful number, since it uses less digits than its factorization.

400000883942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18181858374.

The product of its (nonzero) digits is 55296, while the sum is 38.

Adding to 400000883942 its reverse (249388000004), we get a palindrome (649388883946).

The spelling of 400000883942 in words is "four hundred billion, eight hundred eighty-three thousand, nine hundred forty-two".