40023263553 has 144 divisors (see below), whose sum is σ = 70189168896. Its totient is φ = 20097745920.

The previous prime is 40023263537. The next prime is 40023263569. The reversal of 40023263553 is 35536232004.

It is an interprime number because it is at equal distance from previous prime (40023263537) and next prime (40023263569).

It is not a de Polignac number, because 40023263553 - 2⁴ = 40023263537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40023263593) 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 143 ways as a sum of consecutive naturals, for example, 166071513 + ... + 166071753.

It is an arithmetic number, because the mean of its divisors is an integer number (487424784).

Almost surely, 2^40023263553 is an apocalyptic number.

40023263553 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40023263553 is a deficient number, since it is larger than the sum of its proper divisors (30165905343).

40023263553 is a wasteful number, since it uses less digits than its factorization.

40023263553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 40023263553 its reverse (35536232004), we get a palindrome (75559495557).

The spelling of 40023263553 in words is "forty billion, twenty-three million, two hundred sixty-three thousand, five hundred fifty-three".