1100040378 has 32 divisors (see below), whose sum is σ = 2323348800. Its totient is φ = 346260096.

The previous prime is 1100040367. The next prime is 1100040407. The reversal of 1100040378 is 8730400011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20268 + ... + 51096.

It is an arithmetic number, because the mean of its divisors is an integer number (72604650).

Almost surely, 2^1100040378 is an apocalyptic number.

1100040378 is an abundant number, since it is smaller than the sum of its proper divisors (1223308422).

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

1100040378 is a wasteful number, since it uses less digits than its factorization.

1100040378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31166.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1100040378 is about 33166.8566192215. The cubic root of 1100040378 is about 1032.2927460311.

Adding to 1100040378 its reverse (8730400011), we get a palindrome (9830440389).

The spelling of 1100040378 in words is "one billion, one hundred million, forty thousand, three hundred seventy-eight".