108402840 has 256 divisors, whose sum is σ = 445132800. Its totient is φ = 22851072.

The previous prime is 108402839. The next prime is 108402901. The reversal of 108402840 is 48204801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97729 + ... + 98831.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^108402840 is an apocalyptic number.

108402840 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 108402840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222566400).

108402840 is an abundant number, since it is smaller than the sum of its proper divisors (336729960).

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

108402840 is a wasteful number, since it uses less digits than its factorization.

108402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 108402840 is about 10411.6684541912. The cubic root of 108402840 is about 476.8116815262.

The spelling of 108402840 in words is "one hundred eight million, four hundred two thousand, eight hundred forty".