1081878450 has 24 divisors (see below), whose sum is σ = 2683058928. Its totient is φ = 288500880.

The previous prime is 1081878443. The next prime is 1081878463. The reversal of 1081878450 is 548781801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3606112 + ... + 3606411.

It is an arithmetic number, because the mean of its divisors is an integer number (111794122).

Almost surely, 2^1081878450 is an apocalyptic number.

1081878450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081878450 is an abundant number, since it is smaller than the sum of its proper divisors (1601180478).

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

1081878450 is a wasteful number, since it uses less digits than its factorization.

1081878450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212538 (or 7212533 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 1081878450 is about 32891.9207405101. The cubic root of 1081878450 is about 1026.5800576056.

The spelling of 1081878450 in words is "one billion, eighty-one million, eight hundred seventy-eight thousand, four hundred fifty".