1078503380 has 24 divisors (see below), whose sum is σ = 2326071048. Its totient is φ = 419741568.

The previous prime is 1078503353. The next prime is 1078503383. The reversal of 1078503380 is 833058701.

It can be written as a sum of positive squares in 4 ways, for example, as 185449924 + 893053456 = 13618^2 + 29884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1078503380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078503383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727979 + ... + 729458.

It is an arithmetic number, because the mean of its divisors is an integer number (96919627).

Almost surely, 2^1078503380 is an apocalyptic number.

1078503380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078503380 is an abundant number, since it is smaller than the sum of its proper divisors (1247567668).

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

1078503380 is a wasteful number, since it uses less digits than its factorization.

1078503380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457483 (or 1457481 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1078503380 is about 32840.5752081172. The cubic root of 1078503380 is about 1025.5114259227.

The spelling of 1078503380 in words is "one billion, seventy-eight million, five hundred three thousand, three hundred eighty".