1240550320 has 40 divisors (see below), whose sum is σ = 2923803936. Its totient is φ = 489420288.

The previous prime is 1240550257. The next prime is 1240550321. The reversal of 1240550320 is 230550421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1240550291 and 1240550300.

It is not an unprimeable number, because it can be changed into a prime (1240550321) 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, 100372 + ... + 112051.

Almost surely, 2^1240550320 is an apocalyptic number.

1240550320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240550320 is an abundant number, since it is smaller than the sum of its proper divisors (1683253616).

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

1240550320 is a wasteful number, since it uses less digits than its factorization.

1240550320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212509 (or 212503 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1240550320 is about 35221.4468754479. The cubic root of 1240550320 is about 1074.4959800574.

The spelling of 1240550320 in words is "one billion, two hundred forty million, five hundred fifty thousand, three hundred twenty".