1401043455 has 24 divisors (see below), whose sum is σ = 2775400992. Its totient is φ = 640476864.

The previous prime is 1401043453. The next prime is 1401043471. The reversal of 1401043455 is 5543401041.

It is a happy number.

It is not a de Polignac number, because 1401043455 - 2¹ = 1401043453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401043453) 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, 2223564 + ... + 2224193.

It is an arithmetic number, because the mean of its divisors is an integer number (115641708).

Almost surely, 2^1401043455 is an apocalyptic number.

1401043455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401043455 is a deficient number, since it is larger than the sum of its proper divisors (1374357537).

1401043455 is a wasteful number, since it uses less digits than its factorization.

1401043455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447775 (or 4447772 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1401043455 is about 37430.5150245091. The cubic root of 1401043455 is about 1118.9668020061.

Adding to 1401043455 its reverse (5543401041), we get a palindrome (6944444496).

The spelling of 1401043455 in words is "one billion, four hundred one million, forty-three thousand, four hundred fifty-five".