1400440242011 has 4 divisors (see below), whose sum is σ = 1400465736024. Its totient is φ = 1400414748000.

The previous prime is 1400440242007. The next prime is 1400440242137. The reversal of 1400440242011 is 1102420440041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400440242011 - 2² = 1400440242007 is a prime.

It is a super-2 number, since 2×1400440242011² (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 (1400440232011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12664430 + ... + 12774531.

It is an arithmetic number, because the mean of its divisors is an integer number (350116434006).

Almost surely, 2^{1400440242011} is an apocalyptic number.

1400440242011 is a deficient number, since it is larger than the sum of its proper divisors (25494013).

1400440242011 is an equidigital number, since it uses as much as digits as its factorization.

1400440242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25494012.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1400440242011 its reverse (1102420440041), we get a palindrome (2502860682052).

The spelling of 1400440242011 in words is "one trillion, four hundred billion, four hundred forty million, two hundred forty-two thousand, eleven".