1485888380 has 24 divisors (see below), whose sum is σ = 3196473840. Its totient is φ = 579858560.

The previous prime is 1485888377. The next prime is 1485888431. The reversal of 1485888380 is 838885841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905210 + ... + 906849.

It is an arithmetic number, because the mean of its divisors is an integer number (133186410).

Almost surely, 2^1485888380 is an apocalyptic number.

1485888380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485888380 is an abundant number, since it is smaller than the sum of its proper divisors (1710585460).

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

1485888380 is a wasteful number, since it uses less digits than its factorization.

1485888380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812109 (or 1812107 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 53.

The square root of 1485888380 is about 38547.2227274547. Note that the first 3 decimals coincide. The cubic root of 1485888380 is about 1141.1131990651.

The spelling of 1485888380 in words is "one billion, four hundred eighty-five million, eight hundred eighty-eight thousand, three hundred eighty".