1100401044 has 24 divisors (see below), whose sum is σ = 2568232128. Its totient is φ = 366710400.

The previous prime is 1100401019. The next prime is 1100401061. The reversal of 1100401044 is 4401040011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55644 + ... + 72780.

It is an arithmetic number, because the mean of its divisors is an integer number (107009672).

Almost surely, 2^1100401044 is an apocalyptic number.

It is an amenable number.

1100401044 is an abundant number, since it is smaller than the sum of its proper divisors (1467831084).

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

1100401044 is a wasteful number, since it uses less digits than its factorization.

1100401044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22495 (or 22493 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1100401044 is about 33172.2933183704. The cubic root of 1100401044 is about 1032.4055516519.

Adding to 1100401044 its reverse (4401040011), we get a palindrome (5501441055).

The spelling of 1100401044 in words is "one billion, one hundred million, four hundred one thousand, forty-four".