400011141444040 has 64 divisors (see below), whose sum is σ = 1056400080134400. Its totient is φ = 133440010115328.

The previous prime is 400011141444037. The next prime is 400011141444053. The reversal of 400011141444040 is 40444141110004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19305546660 + ... + 19305567379.

It is an arithmetic number, because the mean of its divisors is an integer number (16506251252100).

Almost surely, 2^{400011141444040} is an apocalyptic number.

400011141444040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400011141444040 is an abundant number, since it is smaller than the sum of its proper divisors (656388938690360).

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

400011141444040 is a wasteful number, since it uses less digits than its factorization.

400011141444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38611114094 (or 38611114090 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 400011141444040 its reverse (40444141110004), we get a palindrome (440455282554044).

The spelling of 400011141444040 in words is "four hundred trillion, eleven billion, one hundred forty-one million, four hundred forty-four thousand, forty".