40245405454 has 8 divisors (see below), whose sum is σ = 60369918840. Its totient is φ = 20122099176.

The previous prime is 40245405367. The next prime is 40245405491. The reversal of 40245405454 is 45450454204.

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

It is a super-2 number, since 2×40245405454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213229 + ... + 354904.

It is an arithmetic number, because the mean of its divisors is an integer number (7546239855).

Almost surely, 2^40245405454 is an apocalyptic number.

40245405454 is a deficient number, since it is larger than the sum of its proper divisors (20124513386).

40245405454 is a wasteful number, since it uses less digits than its factorization.

40245405454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603554.

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 40245405454 its reverse (45450454204), we get a palindrome (85695859658).

The spelling of 40245405454 in words is "forty billion, two hundred forty-five million, four hundred five thousand, four hundred fifty-four".