1402440511253 has 8 divisors (see below), whose sum is σ = 1476343716000. Its totient is φ = 1328546361168.

The previous prime is 1402440511229. The next prime is 1402440511327. The reversal of 1402440511253 is 3521150442041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402440511253 - 2³⁸ = 1127562604309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402440511753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944578 + ... + 2566371.

It is an arithmetic number, because the mean of its divisors is an integer number (184542964500).

Almost surely, 2^{1402440511253} is an apocalyptic number.

It is an amenable number.

1402440511253 is a deficient number, since it is larger than the sum of its proper divisors (73903204747).

1402440511253 is a wasteful number, since it uses less digits than its factorization.

1402440511253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527331.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1402440511253 its reverse (3521150442041), we get a palindrome (4923590953294).

The spelling of 1402440511253 in words is "one trillion, four hundred two billion, four hundred forty million, five hundred eleven thousand, two hundred fifty-three".