1100256464 has 80 divisors (see below), whose sum is σ = 2273187840. Its totient is φ = 515082240.

The previous prime is 1100256461. The next prime is 1100256559. The reversal of 1100256464 is 4646520011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100256461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2540792 + ... + 2541224.

It is an arithmetic number, because the mean of its divisors is an integer number (28414848).

Almost surely, 2^1100256464 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 1100256464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136593920).

1100256464 is an abundant number, since it is smaller than the sum of its proper divisors (1172931376).

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

1100256464 is a wasteful number, since it uses less digits than its factorization.

1100256464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1100256464 is about 33170.1140184956. The cubic root of 1100256464 is about 1032.3603342792.

Adding to 1100256464 its reverse (4646520011), we get a palindrome (5746776475).

The spelling of 1100256464 in words is "one billion, one hundred million, two hundred fifty-six thousand, four hundred sixty-four".