3280401405 has 24 divisors (see below), whose sum is σ = 5770900512. Its totient is φ = 1723433184.

The previous prime is 3280401403. The next prime is 3280401437. The reversal of 3280401405 is 5041040823.

It is not a de Polignac number, because 3280401405 - 2¹ = 3280401403 is a prime.

It is a super-2 number, since 2×3280401405² = 21522066755851948050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280401401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540999 + ... + 547028.

It is an arithmetic number, because the mean of its divisors is an integer number (240454188).

Almost surely, 2^3280401405 is an apocalyptic number.

It is an amenable number.

3280401405 is a deficient number, since it is larger than the sum of its proper divisors (2490499107).

3280401405 is a wasteful number, since it uses less digits than its factorization.

3280401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088105 (or 1088102 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 3280401405 is about 57274.7885635556. The cubic root of 3280401405 is about 1485.8523760045.

The spelling of 3280401405 in words is "three billion, two hundred eighty million, four hundred one thousand, four hundred five".