4090454896512 has 128 divisors (see below), whose sum is σ = 11219181649920. Its totient is φ = 1319099443200.

The previous prime is 4090454896501. The next prime is 4090454896519. The reversal of 4090454896512 is 2156984540904.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×4090454896512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090454896519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40315798 + ... + 40417130.

It is an arithmetic number, because the mean of its divisors is an integer number (87649856640).

Almost surely, 2^{4090454896512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4090454896512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5609590824960).

4090454896512 is an abundant number, since it is smaller than the sum of its proper divisors (7128726753408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4090454896512 is a wasteful number, since it uses less digits than its factorization.

4090454896512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104772 (or 104760 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 4090454896512 in words is "four trillion, ninety billion, four hundred fifty-four million, eight hundred ninety-six thousand, five hundred twelve".