400353430000 has 50 divisors (see below), whose sum is σ = 969295713584. Its totient is φ = 160141368000.

The previous prime is 400353429929. The next prime is 400353430013. The reversal of 400353430000 is 34353004.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20007672 + ... + 20027671.

Almost surely, 2^400353430000 is an apocalyptic number.

400353430000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400353430000 is an abundant number, since it is smaller than the sum of its proper divisors (568942283584).

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

400353430000 is an equidigital number, since it uses as much as digits as its factorization.

400353430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40035371 (or 40035350 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 400353430000 its reverse (34353004), we get a palindrome (400387783004).

The spelling of 400353430000 in words is "four hundred billion, three hundred fifty-three million, four hundred thirty thousand".