1400455441 has 32 divisors (see below), whose sum is σ = 1835366400. Its totient is φ = 1036126080.

The previous prime is 1400455421. The next prime is 1400455453. The reversal of 1400455441 is 1445540041.

It is a de Polignac number, because none of the positive numbers 2^k-1400455441 is a prime.

It is a super-2 number, since 2×1400455441² = 3922550884453008962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400455421) 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 31 ways as a sum of consecutive naturals, for example, 243325 + ... + 249013.

It is an arithmetic number, because the mean of its divisors is an integer number (57355200).

Almost surely, 2^1400455441 is an apocalyptic number.

1400455441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400455441 is a deficient number, since it is larger than the sum of its proper divisors (434910959).

1400455441 is a wasteful number, since it uses less digits than its factorization.

1400455441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1400455441 is about 37422.6594592100. The cubic root of 1400455441 is about 1118.8102376937.

Adding to 1400455441 its reverse (1445540041), we get a palindrome (2845995482).

The spelling of 1400455441 in words is "one billion, four hundred million, four hundred fifty-five thousand, four hundred forty-one".