1100412040 has 128 divisors (see below), whose sum is σ = 3226728960. Its totient is φ = 327757824.

The previous prime is 1100412029. The next prime is 1100412041. The reversal of 1100412040 is 402140011.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1100412040.

It is not an unprimeable number, because it can be changed into a prime (1100412041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52989 + ... + 70771.

It is an arithmetic number, because the mean of its divisors is an integer number (25208820).

Almost surely, 2^1100412040 is an apocalyptic number.

1100412040 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 1100412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613364480).

1100412040 is an abundant number, since it is smaller than the sum of its proper divisors (2126316920).

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

1100412040 is a wasteful number, since it uses less digits than its factorization.

1100412040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831 (or 17827 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1100412040 is about 33172.4590586830. The cubic root of 1100412040 is about 1032.4089904871.

Adding to 1100412040 its reverse (402140011), we get a palindrome (1502552051).

The spelling of 1100412040 in words is "one billion, one hundred million, four hundred twelve thousand, forty".