1401364455 has 64 divisors (see below), whose sum is σ = 2429042688. Its totient is φ = 688366080.

The previous prime is 1401364441. The next prime is 1401364457. The reversal of 1401364455 is 5544631041.

It is not a de Polignac number, because 1401364455 - 2⁸ = 1401364199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401364457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 807769 + ... + 809501.

It is an arithmetic number, because the mean of its divisors is an integer number (37953792).

Almost surely, 2^1401364455 is an apocalyptic number.

1401364455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401364455 is a deficient number, since it is larger than the sum of its proper divisors (1027678233).

1401364455 is a wasteful number, since it uses less digits than its factorization.

1401364455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1401364455 is about 37434.8027242030. The cubic root of 1401364455 is about 1119.0522528211.

Adding to 1401364455 its reverse (5544631041), we get a palindrome (6945995496).

The spelling of 1401364455 in words is "one billion, four hundred one million, three hundred sixty-four thousand, four hundred fifty-five".