420565427446276 has 24 divisors (see below), whose sum is σ = 841296204274176. Its totient is φ = 180206894038080.

The previous prime is 420565427446223. The next prime is 420565427446321. The reversal of 420565427446276 is 672644724565024.

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, 1476188785 + ... + 1476473656.

It is an arithmetic number, because the mean of its divisors is an integer number (35054008511424).

Almost surely, 2^{420565427446276} is an apocalyptic number.

It is an amenable number.

420565427446276 is an abundant number, since it is smaller than the sum of its proper divisors (420730776827900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420565427446276 is a wasteful number, since it uses less digits than its factorization.

420565427446276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952667539 (or 2952667537 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 64.

The spelling of 420565427446276 in words is "four hundred twenty trillion, five hundred sixty-five billion, four hundred twenty-seven million, four hundred forty-six thousand, two hundred seventy-six".