1240453570 has 16 divisors (see below), whose sum is σ = 2350333440. Its totient is φ = 470066544.

The previous prime is 1240453559. The next prime is 1240453573. The reversal of 1240453570 is 753540421.

It is not an unprimeable number, because it can be changed into a prime (1240453573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264162 + ... + 3264541.

It is an arithmetic number, because the mean of its divisors is an integer number (146895840).

Almost surely, 2^1240453570 is an apocalyptic number.

1240453570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240453570 is a deficient number, since it is larger than the sum of its proper divisors (1109879870).

1240453570 is a wasteful number, since it uses less digits than its factorization.

1240453570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528729.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1240453570 is about 35220.0733957214. The cubic root of 1240453570 is about 1074.4680461674.

Adding to 1240453570 its reverse (753540421), we get a palindrome (1993993991).

The spelling of 1240453570 in words is "one billion, two hundred forty million, four hundred fifty-three thousand, five hundred seventy".