1240532330 has 32 divisors (see below), whose sum is σ = 2366159040. Its totient is φ = 466658560.

The previous prime is 1240532323. The next prime is 1240532351. The reversal of 1240532330 is 332350421.

It is a junction number, because it is equal to n+sod(n) for n = 1240532296 and 1240532305.

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, 326381 + ... + 330159.

It is an arithmetic number, because the mean of its divisors is an integer number (73942470).

Almost surely, 2^1240532330 is an apocalyptic number.

1240532330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240532330 is a deficient number, since it is larger than the sum of its proper divisors (1125626710).

1240532330 is a wasteful number, since it uses less digits than its factorization.

1240532330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1240532330 is about 35221.1914903514. The cubic root of 1240532330 is about 1074.4907860518.

Adding to 1240532330 its reverse (332350421), we get a palindrome (1572882751).

The spelling of 1240532330 in words is "one billion, two hundred forty million, five hundred thirty-two thousand, three hundred thirty".