3401040420 has 96 divisors (see below), whose sum is σ = 10626819840. Its totient is φ = 903018240.

The previous prime is 3401040397. The next prime is 3401040431. The reversal of 3401040420 is 240401043.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3401040393 and 3401040402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112305 + ... + 139335.

It is an arithmetic number, because the mean of its divisors is an integer number (110696040).

Almost surely, 2^3401040420 is an apocalyptic number.

3401040420 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 3401040420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5313409920).

3401040420 is an abundant number, since it is smaller than the sum of its proper divisors (7225779420).

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

3401040420 is a wasteful number, since it uses less digits than its factorization.

3401040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27282 (or 27274 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3401040420 is about 58318.4397939451. The cubic root of 3401040420 is about 1503.8479603598.

Adding to 3401040420 its reverse (240401043), we get a palindrome (3641441463).

The spelling of 3401040420 in words is "three billion, four hundred one million, forty thousand, four hundred twenty".