420261022868 has 6 divisors (see below), whose sum is σ = 735456790026. Its totient is φ = 210130511432.

The previous prime is 420261022801. The next prime is 420261022871. The reversal of 420261022868 is 868220162024.

It can be written as a sum of positive squares in only one way, i.e., 384595944964 + 35665077904 = 620158^2 + 188852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52532627855 + ... + 52532627862.

It is an arithmetic number, because the mean of its divisors is an integer number (122576131671).

Almost surely, 2^420261022868 is an apocalyptic number.

It is an amenable number.

420261022868 is a deficient number, since it is larger than the sum of its proper divisors (315195767158).

420261022868 is a wasteful number, since it uses less digits than its factorization.

420261022868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105065255721 (or 105065255719 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 420261022868 in words is "four hundred twenty billion, two hundred sixty-one million, twenty-two thousand, eight hundred sixty-eight".