369040428 has 192 divisors, whose sum is σ = 1064448000. Its totient is φ = 110170368.

The previous prime is 369040421. The next prime is 369040429. The reversal of 369040428 is 824040963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 369040392 and 369040401.

It is not an unprimeable number, because it can be changed into a prime (369040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3385638 + ... + 3385746.

It is an arithmetic number, because the mean of its divisors is an integer number (5544000).

Almost surely, 2^369040428 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 369040428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532224000).

369040428 is an abundant number, since it is smaller than the sum of its proper divisors (695407572).

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

369040428 is a wasteful number, since it uses less digits than its factorization.

369040428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 369040428 is about 19210.4249822850. The cubic root of 369040428 is about 717.2842835510.

The spelling of 369040428 in words is "three hundred sixty-nine million, forty thousand, four hundred twenty-eight".