240438920125 has 16 divisors (see below), whose sum is σ = 300384781632. Its totient is φ = 192147925200.

The previous prime is 240438920123. The next prime is 240438920129. The reversal of 240438920125 is 521029834042.

It is not a de Polignac number, because 240438920125 - 2¹ = 240438920123 is a prime.

It is a super-2 number, since 2×240438920125² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240438920123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897207 + ... + 1133956.

It is an arithmetic number, because the mean of its divisors is an integer number (18774048852).

Almost surely, 2^240438920125 is an apocalyptic number.

240438920125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240438920125 is a deficient number, since it is larger than the sum of its proper divisors (59945861507).

240438920125 is an equidigital number, since it uses as much as digits as its factorization.

240438920125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032125 (or 2032115 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 240438920125 in words is "two hundred forty billion, four hundred thirty-eight million, nine hundred twenty thousand, one hundred twenty-five".