400535441212 has 48 divisors (see below), whose sum is σ = 714269267712. Its totient is φ = 196499197440.

The previous prime is 400535441209. The next prime is 400535441233. The reversal of 400535441212 is 212144535004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36317643 + ... + 36328669.

It is an arithmetic number, because the mean of its divisors is an integer number (14880609744).

Almost surely, 2^400535441212 is an apocalyptic number.

It is an amenable number.

400535441212 is a deficient number, since it is larger than the sum of its proper divisors (313733826500).

400535441212 is a wasteful number, since it uses less digits than its factorization.

400535441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11938 (or 11936 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 400535441212 its reverse (212144535004), we get a palindrome (612679976216).

The spelling of 400535441212 in words is "four hundred billion, five hundred thirty-five million, four hundred forty-one thousand, two hundred twelve".