1411028640 has 384 divisors, whose sum is σ = 5842368000. Its totient is φ = 311205888.

The previous prime is 1411028629. The next prime is 1411028677. The reversal of 1411028640 is 468201141.

It is a happy number.

1411028640 is a `hidden beast` number, since 1 + 4 + 1 + 10 + 2 + 8 + 640 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 876156 + ... + 877764.

It is an arithmetic number, because the mean of its divisors is an integer number (15214500).

Almost surely, 2^1411028640 is an apocalyptic number.

1411028640 is a gapful number since it is divisible by the number (10) 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 1411028640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921184000).

1411028640 is an abundant number, since it is smaller than the sum of its proper divisors (4431339360).

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

1411028640 is a wasteful number, since it uses less digits than its factorization.

1411028640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1411028640 is about 37563.6611634170. The cubic root of 1411028640 is about 1121.6187901096.

Adding to 1411028640 its reverse (468201141), we get a palindrome (1879229781).

The spelling of 1411028640 in words is "one billion, four hundred eleven million, twenty-eight thousand, six hundred forty".