1384010240 has 40 divisors (see below), whose sum is σ = 3318386940. Its totient is φ = 553603072.

The previous prime is 1384010233. The next prime is 1384010261. The reversal of 1384010240 is 420104831.

It can be written as a sum of positive squares in 2 ways, for example, as 1343662336 + 40347904 = 36656^2 + 6352^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267755 + ... + 272874.

Almost surely, 2^1384010240 is an apocalyptic number.

1384010240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1384010240 is an abundant number, since it is smaller than the sum of its proper divisors (1934376700).

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

1384010240 is an frugal number, since it uses more digits than its factorization.

1384010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540652 (or 540636 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1384010240 is about 37202.2881016746. The cubic root of 1384010240 is about 1114.4136795526.

The spelling of 1384010240 in words is "one billion, three hundred eighty-four million, ten thousand, two hundred forty".