1102404402 has 48 divisors (see below), whose sum is σ = 2609036352. Its totient is φ = 333632160.

The previous prime is 1102404367. The next prime is 1102404409. The reversal of 1102404402 is 2044042011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1102404409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172488 + ... + 178764.

It is an arithmetic number, because the mean of its divisors is an integer number (54354924).

Almost surely, 2^1102404402 is an apocalyptic number.

1102404402 is an abundant number, since it is smaller than the sum of its proper divisors (1506631950).

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

1102404402 is a wasteful number, since it uses less digits than its factorization.

1102404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1102404402 is about 33202.4758414188. The cubic root of 1102404402 is about 1033.0316942907.

Adding to 1102404402 its reverse (2044042011), we get a palindrome (3146446413).

It can be divided in two parts, 1102 and 404402, that added together give a palindrome (405504).

The spelling of 1102404402 in words is "one billion, one hundred two million, four hundred four thousand, four hundred two".