400071440011 has 8 divisors (see below), whose sum is σ = 409389123440. Its totient is φ = 390754379232.

The previous prime is 400071440009. The next prime is 400071440149. The reversal of 400071440011 is 110044170004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400071440011 - 2¹ = 400071440009 is a prime.

It is a super-2 number, since 2×400071440011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400071440411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301305 + ... + 1579093.

It is an arithmetic number, because the mean of its divisors is an integer number (51173640430).

Almost surely, 2^400071440011 is an apocalyptic number.

400071440011 is a deficient number, since it is larger than the sum of its proper divisors (9317683429).

400071440011 is a wasteful number, since it uses less digits than its factorization.

400071440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311325.

The product of its (nonzero) digits is 448, while the sum is 22.

The spelling of 400071440011 in words is "four hundred billion, seventy-one million, four hundred forty thousand, eleven".