1102396440 has 128 divisors (see below), whose sum is σ = 3478464000. Its totient is φ = 278952960.

The previous prime is 1102396423. The next prime is 1102396441. The reversal of 1102396440 is 446932011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1102396398 and 1102396407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102396441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 360036 + ... + 363084.

It is an arithmetic number, because the mean of its divisors is an integer number (27175500).

Almost surely, 2^1102396440 is an apocalyptic number.

1102396440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102396440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739232000).

1102396440 is an abundant number, since it is smaller than the sum of its proper divisors (2376067560).

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

1102396440 is a wasteful number, since it uses less digits than its factorization.

1102396440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1102396440 is about 33202.3559405052. The cubic root of 1102396440 is about 1033.0292072971.

The spelling of 1102396440 in words is "one billion, one hundred two million, three hundred ninety-six thousand, four hundred forty".