3550046400 has 336 divisors, whose sum is σ = 13296981280. Its totient is φ = 920678400.

The previous prime is 3550046387. The next prime is 3550046407. The reversal of 3550046400 is 46400553.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (3550046407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1597290 + ... + 1599510.

Almost surely, 2^3550046400 is an apocalyptic number.

3550046400 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 3550046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6648490640).

3550046400 is an abundant number, since it is smaller than the sum of its proper divisors (9746934880).

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

3550046400 is a wasteful number, since it uses less digits than its factorization.

3550046400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3550046400 is about 59582.2658179428. The cubic root of 3550046400 is about 1525.4969481389.

Adding to 3550046400 its reverse (46400553), we get a palindrome (3596446953).

The spelling of 3550046400 in words is "three billion, five hundred fifty million, forty-six thousand, four hundred".