40454211222545 has 8 divisors (see below), whose sum is σ = 48550084621800. Its totient is φ = 32360014874880.

The previous prime is 40454211222499. The next prime is 40454211222569. The reversal of 40454211222545 is 54522211245404.

It can be written as a sum of positive squares in 4 ways, for example, as 6136078906321 + 34318132316224 = 2477111^2 + 5858168^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-40454211222545 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419209826 + ... + 419306315.

It is an arithmetic number, because the mean of its divisors is an integer number (6068760577725).

Almost surely, 2^{40454211222545} is an apocalyptic number.

It is an amenable number.

40454211222545 is a deficient number, since it is larger than the sum of its proper divisors (8095873399255).

40454211222545 is an equidigital number, since it uses as much as digits as its factorization.

40454211222545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838525795.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 40454211222545 its reverse (54522211245404), we get a palindrome (94976422467949).

The spelling of 40454211222545 in words is "forty trillion, four hundred fifty-four billion, two hundred eleven million, two hundred twenty-two thousand, five hundred forty-five".