1240430576 has 80 divisors (see below), whose sum is σ = 3014807040. Its totient is φ = 480311040.

The previous prime is 1240430557. The next prime is 1240430593. The reversal of 1240430576 is 6750340421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202730 + ... + 208758.

It is an arithmetic number, because the mean of its divisors is an integer number (37685088).

Almost surely, 2^1240430576 is an apocalyptic number.

1240430576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240430576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507403520).

1240430576 is an abundant number, since it is smaller than the sum of its proper divisors (1774376464).

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

1240430576 is a wasteful number, since it uses less digits than its factorization.

1240430576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6216 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1240430576 is about 35219.7469610445. The cubic root of 1240430576 is about 1074.4614070714.

Adding to 1240430576 its reverse (6750340421), we get a palindrome (7990770997).

The spelling of 1240430576 in words is "one billion, two hundred forty million, four hundred thirty thousand, five hundred seventy-six".