1401004224 has 84 divisors (see below), whose sum is σ = 4021307680. Its totient is φ = 466352640.

The previous prime is 1401004219. The next prime is 1401004243. The reversal of 1401004224 is 4224001041.

1401004224 is a `hidden beast` number, since 140 + 100 + 422 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1401004197 and 1401004206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597294 + ... + 599634.

Almost surely, 2^1401004224 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 1401004224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2010653840).

1401004224 is an abundant number, since it is smaller than the sum of its proper divisors (2620303456).

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

1401004224 is a wasteful number, since it uses less digits than its factorization.

1401004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1401004224 is about 37429.9909698092. The cubic root of 1401004224 is about 1118.9563577437.

Adding to 1401004224 its reverse (4224001041), we get a palindrome (5625005265).

The spelling of 1401004224 in words is "one billion, four hundred one million, four thousand, two hundred twenty-four".