1240267470 has 64 divisors (see below), whose sum is σ = 3394198080. Its totient is φ = 287336448.

The previous prime is 1240267451. The next prime is 1240267471. The reversal of 1240267470 is 747620421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240267471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86905 + ... + 100164.

It is an arithmetic number, because the mean of its divisors is an integer number (53034345).

Almost surely, 2^1240267470 is an apocalyptic number.

1240267470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240267470 is an abundant number, since it is smaller than the sum of its proper divisors (2153930610).

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

1240267470 is a wasteful number, since it uses less digits than its factorization.

1240267470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187109.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1240267470 is about 35217.4313373363. The cubic root of 1240267470 is about 1074.4143108486.

Adding to 1240267470 its reverse (747620421), we get a palindrome (1987887891).

The spelling of 1240267470 in words is "one billion, two hundred forty million, two hundred sixty-seven thousand, four hundred seventy".