40452204420555 has 32 divisors (see below), whose sum is σ = 64794202767360. Its totient is φ = 21550955646720.

The previous prime is 40452204420437. The next prime is 40452204420611. The reversal of 40452204420555 is 55502440225404.

It is a happy number.

It is not a de Polignac number, because 40452204420555 - 2¹⁶ = 40452204355019 is a prime.

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, 128311606 + ... + 128626484.

It is an arithmetic number, because the mean of its divisors is an integer number (2024818836480).

Almost surely, 2^{40452204420555} is an apocalyptic number.

40452204420555 is a deficient number, since it is larger than the sum of its proper divisors (24341998346805).

40452204420555 is a wasteful number, since it uses less digits than its factorization.

40452204420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324211.

The product of its (nonzero) digits is 1280000, while the sum is 42.

Adding to 40452204420555 its reverse (55502440225404), we get a palindrome (95954644645959).

The spelling of 40452204420555 in words is "forty trillion, four hundred fifty-two billion, two hundred four million, four hundred twenty thousand, five hundred fifty-five".