400201042220340 has 96 divisors (see below), whose sum is σ = 1121298382600704. Its totient is φ = 106650253731840.

The previous prime is 400201042220293. The next prime is 400201042220351. The reversal of 400201042220340 is 43022240102004.

It is a self number, because there is not a number n which added to its sum of digits gives 400201042220340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646228245 + ... + 646847235.

It is an arithmetic number, because the mean of its divisors is an integer number (11680191485424).

Almost surely, 2^{400201042220340} is an apocalyptic number.

It is an amenable number.

400201042220340 is an abundant number, since it is smaller than the sum of its proper divisors (721097340380364).

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

400201042220340 is a wasteful number, since it uses less digits than its factorization.

400201042220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626057 (or 626055 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 400201042220340 its reverse (43022240102004), we get a palindrome (443223282322344).

The spelling of 400201042220340 in words is "four hundred trillion, two hundred one billion, forty-two million, two hundred twenty thousand, three hundred forty".