40023263555 has 16 divisors (see below), whose sum is σ = 52438917888. Its totient is φ = 29082924000.

The previous prime is 40023263537. The next prime is 40023263569. The reversal of 40023263555 is 55536232004.

It is not a de Polignac number, because 40023263555 - 2⁶ = 40023263491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246311 + ... + 375120.

It is an arithmetic number, because the mean of its divisors is an integer number (3277432368).

Almost surely, 2^40023263555 is an apocalyptic number.

40023263555 is a deficient number, since it is larger than the sum of its proper divisors (12415654333).

40023263555 is a wasteful number, since it uses less digits than its factorization.

40023263555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622618.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 40023263555 its reverse (55536232004), we get a palindrome (95559495559).

The spelling of 40023263555 in words is "forty billion, twenty-three million, two hundred sixty-three thousand, five hundred fifty-five".