420105551262 has 16 divisors (see below), whose sum is σ = 840273700752. Its totient is φ = 140024750720.

The previous prime is 420105551231. The next prime is 420105551297. The reversal of 420105551262 is 262155501024.

It is a super-2 number, since 2×420105551262² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520789 + ... + 2682272.

It is an arithmetic number, because the mean of its divisors is an integer number (52517106297).

Almost surely, 2^420105551262 is an apocalyptic number.

420105551262 is an abundant number, since it is smaller than the sum of its proper divisors (420168149490).

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

420105551262 is a wasteful number, since it uses less digits than its factorization.

420105551262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216523.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 420105551262 in words is "four hundred twenty billion, one hundred five million, five hundred fifty-one thousand, two hundred sixty-two".