4000400340740 has 24 divisors (see below), whose sum is σ = 8401471448832. Its totient is φ = 1600039996640.

The previous prime is 4000400340689. The next prime is 4000400340767. The reversal of 4000400340740 is 470430040004.

4000400340740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7235444 + ... + 7768683.

It is an arithmetic number, because the mean of its divisors is an integer number (350061310368).

Almost surely, 2^{4000400340740} is an apocalyptic number.

It is an amenable number.

4000400340740 is an abundant number, since it is smaller than the sum of its proper divisors (4401071108092).

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

4000400340740 is a wasteful number, since it uses less digits than its factorization.

4000400340740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15017467 (or 15017465 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 4000400340740 its reverse (470430040004), we get a palindrome (4470830380744).

The spelling of 4000400340740 in words is "four trillion, four hundred million, three hundred forty thousand, seven hundred forty".