1230051232440 has 48 divisors (see below), whose sum is σ = 3997666506600. Its totient is φ = 328013661888.

The previous prime is 1230051232429. The next prime is 1230051232447. The reversal of 1230051232440 is 442321500321.

1230051232440 is a `hidden beast` number, since 123 + 0 + 0 + 512 + 3 + 24 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230051232447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1708404130 + ... + 1708404849.

Almost surely, 2^{1230051232440} is an apocalyptic number.

1230051232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230051232440 is an abundant number, since it is smaller than the sum of its proper divisors (2767615274160).

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

1230051232440 is a wasteful number, since it uses less digits than its factorization.

1230051232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416808996 (or 3416808989 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1230051232440 its reverse (442321500321), we get a palindrome (1672372732761).

The spelling of 1230051232440 in words is "one trillion, two hundred thirty billion, fifty-one million, two hundred thirty-two thousand, four hundred forty".