400418011719 has 24 divisors (see below), whose sum is σ = 631017393552. Its totient is φ = 242656168320.

The previous prime is 400418011709. The next prime is 400418011727. The reversal of 400418011719 is 917110814004.

It is a happy number.

400418011719 is a `hidden beast` number, since 400 + 4 + 1 + 80 + 1 + 171 + 9 = 666.

It is not a de Polignac number, because 400418011719 - 2¹¹ = 400418009671 is a prime.

It is a super-2 number, since 2×400418011719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400418011709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987387 + ... + 1332579.

It is an arithmetic number, because the mean of its divisors is an integer number (26292391398).

Almost surely, 2^400418011719 is an apocalyptic number.

400418011719 is a deficient number, since it is larger than the sum of its proper divisors (230599381833).

400418011719 is a wasteful number, since it uses less digits than its factorization.

400418011719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356927 (or 356924 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 400418011719 in words is "four hundred billion, four hundred eighteen million, eleven thousand, seven hundred nineteen".