1400440120001 has 24 divisors (see below), whose sum is σ = 1557701118144. Its totient is φ = 1257563361600.

The previous prime is 1400440119961. The next prime is 1400440120061. The reversal of 1400440120001 is 1000210440041.

It is not a de Polignac number, because 1400440120001 - 2¹⁴ = 1400440103617 is a prime.

It is a super-2 number, since 2×1400440120001² (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 (1400440120061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45950570 + ... + 45981036.

It is an arithmetic number, because the mean of its divisors is an integer number (64904213256).

Almost surely, 2^{1400440120001} is an apocalyptic number.

It is an amenable number.

1400440120001 is a deficient number, since it is larger than the sum of its proper divisors (157260998143).

1400440120001 is a wasteful number, since it uses less digits than its factorization.

1400440120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37881 (or 37868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1400440120001 its reverse (1000210440041), we get a palindrome (2400650560042).

The spelling of 1400440120001 in words is "one trillion, four hundred billion, four hundred forty million, one hundred twenty thousand, one".