3455847380 has 48 divisors (see below), whose sum is σ = 7707235536. Its totient is φ = 1297121280.

The previous prime is 3455847377. The next prime is 3455847383. The reversal of 3455847380 is 837485543.

It is an interprime number because it is at equal distance from previous prime (3455847377) and next prime (3455847383).

It can be written as a sum of positive squares in 8 ways, for example, as 47389456 + 3408457924 = 6884^2 + 58382^2 .

It is a super-2 number, since 2×3455847380² = 23885762227705728800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455847383) 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, 99500 + ... + 129660.

It is an arithmetic number, because the mean of its divisors is an integer number (160567407).

Almost surely, 2^3455847380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3455847380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3853617768).

3455847380 is an abundant number, since it is smaller than the sum of its proper divisors (4251388156).

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

3455847380 is a wasteful number, since it uses less digits than its factorization.

3455847380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30524 (or 30522 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 3455847380 is about 58786.4557530049. The cubic root of 3455847380 is about 1511.8830038575.

The spelling of 3455847380 in words is "three billion, four hundred fifty-five million, eight hundred forty-seven thousand, three hundred eighty".