2301000023440 has 40 divisors (see below), whose sum is σ = 5582426148288. Its totient is φ = 880382616960.

The previous prime is 2301000023411. The next prime is 2301000023507. The reversal of 2301000023440 is 443200001032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2301000023440² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625269906 + ... + 625273585.

Almost surely, 2^{2301000023440} is an apocalyptic number.

2301000023440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2301000023440 is an abundant number, since it is smaller than the sum of its proper divisors (3281426124848).

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

2301000023440 is a wasteful number, since it uses less digits than its factorization.

2301000023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250543527 (or 1250543521 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 2301000023440 its reverse (443200001032), we get a palindrome (2744200024472).

The spelling of 2301000023440 in words is "two trillion, three hundred one billion, twenty-three thousand, four hundred forty".