1232640006455 has 32 divisors (see below), whose sum is σ = 1738600174080. Its totient is φ = 827108311680.

The previous prime is 1232640006439. The next prime is 1232640006487. The reversal of 1232640006455 is 5546000462321.

It is not a de Polignac number, because 1232640006455 - 2⁴ = 1232640006439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075526 + ... + 1903164.

It is an arithmetic number, because the mean of its divisors is an integer number (54331255440).

Almost surely, 2^{1232640006455} is an apocalyptic number.

1232640006455 is a deficient number, since it is larger than the sum of its proper divisors (505960167625).

1232640006455 is a wasteful number, since it uses less digits than its factorization.

1232640006455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829751.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 1232640006455 its reverse (5546000462321), we get a palindrome (6778640468776).

The spelling of 1232640006455 in words is "one trillion, two hundred thirty-two billion, six hundred forty million, six thousand, four hundred fifty-five".