1408780860 has 48 divisors (see below), whose sum is σ = 4003472256. Its totient is φ = 370066752.

The previous prime is 1408780847. The next prime is 1408780861. The reversal of 1408780860 is 680878041.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408780861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171202 + ... + 179241.

It is an arithmetic number, because the mean of its divisors is an integer number (83405672).

Almost surely, 2^1408780860 is an apocalyptic number.

1408780860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408780860 is an abundant number, since it is smaller than the sum of its proper divisors (2594691396).

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

1408780860 is a wasteful number, since it uses less digits than its factorization.

1408780860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350522 (or 350520 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1408780860 is about 37533.7296308267. The cubic root of 1408780860 is about 1121.0228909815.

The spelling of 1408780860 in words is "one billion, four hundred eight million, seven hundred eighty thousand, eight hundred sixty".