420445550222445 has 64 divisors (see below), whose sum is σ = 757826913484800. Its totient is φ = 197202250291200.

The previous prime is 420445550222431. The next prime is 420445550222459. The reversal of 420445550222445 is 544222055544024.

It is an interprime number because it is at equal distance from previous prime (420445550222431) and next prime (420445550222459).

It is not a de Polignac number, because 420445550222445 - 2⁹ = 420445550221933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420445550222394 and 420445550222403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1877745 + ... + 29058854.

It is an arithmetic number, because the mean of its divisors is an integer number (11841045523200).

Almost surely, 2^{420445550222445} is an apocalyptic number.

It is an amenable number.

420445550222445 is a deficient number, since it is larger than the sum of its proper divisors (337381363262355).

420445550222445 is a wasteful number, since it uses less digits than its factorization.

420445550222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30939306.

The product of its (nonzero) digits is 10240000, while the sum is 48.

The spelling of 420445550222445 in words is "four hundred twenty trillion, four hundred forty-five billion, five hundred fifty million, two hundred twenty-two thousand, four hundred forty-five".