420949945552 has 40 divisors (see below), whose sum is σ = 820932456960. Its totient is φ = 209100587520.

The previous prime is 420949945513. The next prime is 420949945561. The reversal of 420949945552 is 255549949024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485393 + ... + 1745935.

It is an arithmetic number, because the mean of its divisors is an integer number (20523311424).

Almost surely, 2^420949945552 is an apocalyptic number.

It is an amenable number.

420949945552 is a deficient number, since it is larger than the sum of its proper divisors (399982511408).

420949945552 is a wasteful number, since it uses less digits than its factorization.

420949945552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261211 (or 261205 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 420949945552 in words is "four hundred twenty billion, nine hundred forty-nine million, nine hundred forty-five thousand, five hundred fifty-two".