4270657920 has 128 divisors (see below), whose sum is σ = 13639056480. Its totient is φ = 1136640000.

The previous prime is 4270657901. The next prime is 4270657927. The reversal of 4270657920 is 297560724.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4270657927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152070 + ... + 1155770.

Almost surely, 2^4270657920 is an apocalyptic number.

4270657920 is a gapful number since it is divisible by the number (40) 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 4270657920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6819528240).

4270657920 is an abundant number, since it is smaller than the sum of its proper divisors (9368398560).

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

4270657920 is a wasteful number, since it uses less digits than its factorization.

4270657920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4312 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 4270657920 is about 65350.2710017334. The cubic root of 4270657920 is about 1622.4261163900.

The spelling of 4270657920 in words is "four billion, two hundred seventy million, six hundred fifty-seven thousand, nine hundred twenty".