1400436431441 has 16 divisors (see below), whose sum is σ = 1454223317760. Its totient is φ = 1347018435840.

The previous prime is 1400436431389. The next prime is 1400436431447. The reversal of 1400436431441 is 1441346340041.

It is a cyclic number.

It is not a de Polignac number, because 1400436431441 - 2²² = 1400432237137 is a prime.

It is a super-2 number, since 2×1400436431441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1400436431447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35032121 + ... + 35072073.

It is an arithmetic number, because the mean of its divisors is an integer number (90888957360).

Almost surely, 2^{1400436431441} is an apocalyptic number.

It is an amenable number.

1400436431441 is a deficient number, since it is larger than the sum of its proper divisors (53786886319).

1400436431441 is a wasteful number, since it uses less digits than its factorization.

1400436431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44536.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 1400436431441 in words is "one trillion, four hundred billion, four hundred thirty-six million, four hundred thirty-one thousand, four hundred forty-one".