1400444342011 has 16 divisors (see below), whose sum is σ = 1646379514080. Its totient is φ = 1174410731520.

The previous prime is 1400444341999. The next prime is 1400444342021. The reversal of 1400444342011 is 1102434440041.

It is not a de Polignac number, because 1400444342011 - 2⁷ = 1400444341883 is a prime.

It is a super-2 number, since 2×1400444342011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400444342021) 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 15 ways as a sum of consecutive naturals, for example, 3066246 + ... + 3493243.

It is an arithmetic number, because the mean of its divisors is an integer number (102898719630).

Almost surely, 2^{1400444342011} is an apocalyptic number.

1400444342011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1400444342011 is a deficient number, since it is larger than the sum of its proper divisors (245935172069).

1400444342011 is a wasteful number, since it uses less digits than its factorization.

1400444342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561006.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1400444342011 its reverse (1102434440041), we get a palindrome (2502878782052).

The spelling of 1400444342011 in words is "one trillion, four hundred billion, four hundred forty-four million, three hundred forty-two thousand, eleven".