3469780800 has 420 divisors, whose sum is σ = 13085123436. Its totient is φ = 901324800.

The previous prime is 3469780799. The next prime is 3469780819. The reversal of 3469780800 is 80879643.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 994519296 + 2475261504 = 31536^2 + 49752^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5313274 + ... + 5313926.

Almost surely, 2^3469780800 is an apocalyptic number.

3469780800 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 3469780800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6542561718).

3469780800 is an abundant number, since it is smaller than the sum of its proper divisors (9615342636).

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

3469780800 is a wasteful number, since it uses less digits than its factorization.

3469780800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 3469780800 is about 58904.8453015539. The cubic root of 3469780800 is about 1513.9121687910.

The spelling of 3469780800 in words is "three billion, four hundred sixty-nine million, seven hundred eighty thousand, eight hundred".