4000401044334 has 48 divisors (see below), whose sum is σ = 9461637319680. Its totient is φ = 1263284537400.

The previous prime is 4000401044323. The next prime is 4000401044357. The reversal of 4000401044334 is 4334401040004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4000401044298 and 4000401044307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216603342 + ... + 216621809.

It is an arithmetic number, because the mean of its divisors is an integer number (197117444160).

Almost surely, 2^{4000401044334} is an apocalyptic number.

4000401044334 is an abundant number, since it is smaller than the sum of its proper divisors (5461236275346).

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

4000401044334 is a wasteful number, since it uses less digits than its factorization.

4000401044334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433225187 (or 433225175 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4000401044334 its reverse (4334401040004), we get a palindrome (8334802084338).

The spelling of 4000401044334 in words is "four trillion, four hundred one million, forty-four thousand, three hundred thirty-four".