266070420 has 384 divisors, whose sum is σ = 1057996800. Its totient is φ = 54587520.

The previous prime is 266070407. The next prime is 266070439. The reversal of 266070420 is 24070662.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3367941 + ... + 3368019.

It is an arithmetic number, because the mean of its divisors is an integer number (2755200).

Almost surely, 2^266070420 is an apocalyptic number.

266070420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266070420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528998400).

266070420 is an abundant number, since it is smaller than the sum of its proper divisors (791926380).

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

266070420 is a wasteful number, since it uses less digits than its factorization.

266070420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 266070420 is about 16311.6651510506. The cubic root of 266070420 is about 643.1795068933.

The spelling of 266070420 in words is "two hundred sixty-six million, seventy thousand, four hundred twenty".