4000406855070 has 32 divisors (see below), whose sum is σ = 9708852598560. Its totient is φ = 1054788922880.

The previous prime is 4000406855059. The next prime is 4000406855077. The reversal of 4000406855070 is 705586040004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000406855077) 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, 749137191 + ... + 749142530.

It is an arithmetic number, because the mean of its divisors is an integer number (303401643705).

Almost surely, 2^{4000406855070} is an apocalyptic number.

4000406855070 is an abundant number, since it is smaller than the sum of its proper divisors (5708445743490).

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

4000406855070 is a wasteful number, since it uses less digits than its factorization.

4000406855070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498279820.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 4000406855070 in words is "four trillion, four hundred six million, eight hundred fifty-five thousand, seventy".