400211212443040 has 48 divisors (see below), whose sum is σ = 945501741868320. Its totient is φ = 160084018950400.

The previous prime is 400211212443017. The next prime is 400211212443079. The reversal of 400211212443040 is 40344212112004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54372051 + ... + 61292269.

It is an arithmetic number, because the mean of its divisors is an integer number (19697952955590).

Almost surely, 2^{400211212443040} is an apocalyptic number.

400211212443040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400211212443040 is an abundant number, since it is smaller than the sum of its proper divisors (545290529425280).

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

400211212443040 is a wasteful number, since it uses less digits than its factorization.

400211212443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281685 (or 7281677 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 400211212443040 its reverse (40344212112004), we get a palindrome (440555424555044).

The spelling of 400211212443040 in words is "four hundred trillion, two hundred eleven billion, two hundred twelve million, four hundred forty-three thousand, forty".