240051130040 has 64 divisors (see below), whose sum is σ = 557618688000. Its totient is φ = 92909589120.

The previous prime is 240051130031. The next prime is 240051130049. The reversal of 240051130040 is 40031150042.

It is an interprime number because it is at equal distance from previous prime (240051130031) and next prime (240051130049).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 240051129994 and 240051130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240051130049) 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, 15540641 + ... + 15556079.

It is an arithmetic number, because the mean of its divisors is an integer number (8712792000).

Almost surely, 2^240051130040 is an apocalyptic number.

240051130040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240051130040 is an abundant number, since it is smaller than the sum of its proper divisors (317567557960).

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

240051130040 is a wasteful number, since it uses less digits than its factorization.

240051130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020 (or 28016 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 240051130040 its reverse (40031150042), we get a palindrome (280082280082).

The spelling of 240051130040 in words is "two hundred forty billion, fifty-one million, one hundred thirty thousand, forty".