454021256466550 has 48 divisors (see below), whose sum is σ = 848866889198160. Its totient is φ = 180665012183040.

The previous prime is 454021256466541. The next prime is 454021256466587. The reversal of 454021256466550 is 55664652120454.

It is a super-2 number, since 2×454021256466550² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454021256466491 and 454021256466500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792876241 + ... + 793448659.

It is an arithmetic number, because the mean of its divisors is an integer number (17684726858295).

Almost surely, 2^{454021256466550} is an apocalyptic number.

454021256466550 is a deficient number, since it is larger than the sum of its proper divisors (394845632731610).

454021256466550 is a wasteful number, since it uses less digits than its factorization.

454021256466550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654817 (or 654812 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 55.

The spelling of 454021256466550 in words is "four hundred fifty-four trillion, twenty-one billion, two hundred fifty-six million, four hundred sixty-six thousand, five hundred fifty".