1100465140 has 24 divisors (see below), whose sum is σ = 2316052872. Its totient is φ = 439219200.

The previous prime is 1100465101. The next prime is 1100465143. The reversal of 1100465140 is 415640011.

It can be written as a sum of positive squares in 4 ways, for example, as 51093904 + 1049371236 = 7148^2 + 32394^2 .

It is a super-2 number, since 2×1100465140² = 2422047048710439200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100465143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51061 + ... + 69340.

It is an arithmetic number, because the mean of its divisors is an integer number (96502203).

Almost surely, 2^1100465140 is an apocalyptic number.

1100465140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100465140 is an abundant number, since it is smaller than the sum of its proper divisors (1215587732).

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

1100465140 is a wasteful number, since it uses less digits than its factorization.

1100465140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120867 (or 120865 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1100465140 is about 33173.2594117612. The cubic root of 1100465140 is about 1032.4255963989.

The spelling of 1100465140 in words is "one billion, one hundred million, four hundred sixty-five thousand, one hundred forty".