3501701280 has 960 divisors, whose sum is σ = 16070503680. Its totient is φ = 702535680.

The previous prime is 3501701249. The next prime is 3501701339. The reversal of 3501701280 is 821071053.

3501701280 is a `hidden beast` number, since 3 + 501 + 70 + 12 + 80 = 666.

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

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1914 × 1386 × 1320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 120748306 + ... + 120748334.

It is an arithmetic number, because the mean of its divisors is an integer number (16740108).

Almost surely, 2^3501701280 is an apocalyptic number.

3501701280 is a gapful number since it is divisible by the number (30) 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 3501701280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8035251840).

3501701280 is an abundant number, since it is smaller than the sum of its proper divisors (12568802400).

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

3501701280 is a wasteful number, since it uses less digits than its factorization.

3501701280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 3501701280 is about 59175.1745244575. The cubic root of 3501701280 is about 1518.5404502839.

It can be divided in two parts, 3501701 and 280, that added together give a triangular number (3501981 = T₂₆₄₆).

The spelling of 3501701280 in words is "three billion, five hundred one million, seven hundred one thousand, two hundred eighty".