40455344355 has 16 divisors (see below), whose sum is σ = 64741192704. Its totient is φ = 21571969760.

The previous prime is 40455344341. The next prime is 40455344383. The reversal of 40455344355 is 55344355404.

40455344355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40455344355 - 2⁶ = 40455344291 is a prime.

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, 183219 + ... + 338348.

It is an arithmetic number, because the mean of its divisors is an integer number (4046324544).

Almost surely, 2^40455344355 is an apocalyptic number.

40455344355 is a deficient number, since it is larger than the sum of its proper divisors (24285848349).

40455344355 is a wasteful number, since it uses less digits than its factorization.

40455344355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526746.

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 40455344355 its reverse (55344355404), we get a palindrome (95799699759).

The spelling of 40455344355 in words is "forty billion, four hundred fifty-five million, three hundred forty-four thousand, three hundred fifty-five".