450036156056221 has 64 divisors (see below), whose sum is σ = 533107467509760. Its totient is φ = 371988430767360.

The previous prime is 450036156056203. The next prime is 450036156056303. The reversal of 450036156056221 is 122650651630054.

It is a cyclic number.

It is not a de Polignac number, because 450036156056221 - 2¹⁵ = 450036156023453 is a prime.

It is a super-2 number, since 2×450036156056221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450036156006221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7562459215 + ... + 7562518723.

It is an arithmetic number, because the mean of its divisors is an integer number (8329804179840).

Almost surely, 2^{450036156056221} is an apocalyptic number.

It is an amenable number.

450036156056221 is a deficient number, since it is larger than the sum of its proper divisors (83071311453539).

450036156056221 is a wasteful number, since it uses less digits than its factorization.

450036156056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61394.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 450036156056221 in words is "four hundred fifty trillion, thirty-six billion, one hundred fifty-six million, fifty-six thousand, two hundred twenty-one".