400031212043132 has 24 divisors (see below), whose sum is σ = 700178646666240. Its totient is φ = 199980173234160.

The previous prime is 400031212043119. The next prime is 400031212043167. The reversal of 400031212043132 is 231340212130004.

It is a congruent number.

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, 532653593 + ... + 533404079.

It is an arithmetic number, because the mean of its divisors is an integer number (29174110277760).

Almost surely, 2^{400031212043132} is an apocalyptic number.

It is an amenable number.

400031212043132 is a deficient number, since it is larger than the sum of its proper divisors (300147434623108).

400031212043132 is a wasteful number, since it uses less digits than its factorization.

400031212043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773921 (or 773919 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 400031212043132 its reverse (231340212130004), we get a palindrome (631371424173136).

The spelling of 400031212043132 in words is "four hundred trillion, thirty-one billion, two hundred twelve million, forty-three thousand, one hundred thirty-two".