3544997400 has 480 divisors, whose sum is σ = 14418243840. Its totient is φ = 790352640.

The previous prime is 3544997389. The next prime is 3544997431. The reversal of 3544997400 is 47994453.

It is a happy number.

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 119 ways as a sum of consecutive naturals, for example, 4875837 + ... + 4876563.

It is an arithmetic number, because the mean of its divisors is an integer number (30038008).

Almost surely, 2^3544997400 is an apocalyptic number.

3544997400 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 3544997400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7209121920).

3544997400 is an abundant number, since it is smaller than the sum of its proper divisors (10873246440).

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

3544997400 is a wasteful number, since it uses less digits than its factorization.

3544997400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 3544997400 is about 59539.8807523159. The cubic root of 3544997400 is about 1524.7733999959.

The spelling of 3544997400 in words is "three billion, five hundred forty-four million, nine hundred ninety-seven thousand, four hundred".