1102544380 has 24 divisors (see below), whose sum is σ = 2646106848. Its totient is φ = 378015168.

The previous prime is 1102544341. The next prime is 1102544411. The reversal of 1102544380 is 834452011.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937519 + ... + 3937798.

It is an arithmetic number, because the mean of its divisors is an integer number (110254452).

Almost surely, 2^1102544380 is an apocalyptic number.

1102544380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102544380 is an abundant number, since it is smaller than the sum of its proper divisors (1543562468).

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

1102544380 is a wasteful number, since it uses less digits than its factorization.

1102544380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875333 (or 7875331 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1102544380 is about 33204.5837197216. The cubic root of 1102544380 is about 1033.0754155695.

Adding to 1102544380 its reverse (834452011), we get a palindrome (1936996391).

The spelling of 1102544380 in words is "one billion, one hundred two million, five hundred forty-four thousand, three hundred eighty".