400303243000 has 32 divisors (see below), whose sum is σ = 936709590960. Its totient is φ = 160121296800.

The previous prime is 400303242959. The next prime is 400303243001. The reversal of 400303243000 is 342303004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400303243001) 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, 200150622 + ... + 200152621.

Almost surely, 2^400303243000 is an apocalyptic number.

400303243000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400303243000 is an abundant number, since it is smaller than the sum of its proper divisors (536406347960).

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

400303243000 is a wasteful number, since it uses less digits than its factorization.

400303243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400303264 (or 400303250 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 400303243000 its reverse (342303004), we get a palindrome (400645546004).

The spelling of 400303243000 in words is "four hundred billion, three hundred three million, two hundred forty-three thousand".