400462212322140 has 48 divisors (see below), whose sum is σ = 1122018077392800. Its totient is φ = 106720982058240.

The previous prime is 400462212322091. The next prime is 400462212322141. The reversal of 400462212322140 is 41223212264004.

It is a super-2 number, since 2×400462212322140² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400462212322141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154319651 + ... + 2154505530.

It is an arithmetic number, because the mean of its divisors is an integer number (23375376612350).

Almost surely, 2^{400462212322140} is an apocalyptic number.

It is an amenable number.

400462212322140 is an abundant number, since it is smaller than the sum of its proper divisors (721555865070660).

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

400462212322140 is a wasteful number, since it uses less digits than its factorization.

400462212322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308826742 (or 4308826740 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 400462212322140 its reverse (41223212264004), we get a palindrome (441685424586144).

The spelling of 400462212322140 in words is "four hundred trillion, four hundred sixty-two billion, two hundred twelve million, three hundred twenty-two thousand, one hundred forty".