254420532241240 has 32 divisors (see below), whose sum is σ = 572447001178080. Its totient is φ = 101768070028032.

The previous prime is 254420532241237. The next prime is 254420532241289. The reversal of 254420532241240 is 42142235024452.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 254420532241193 and 254420532241202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27147757 + ... + 35296483.

It is an arithmetic number, because the mean of its divisors is an integer number (17888968786815).

Almost surely, 2^{254420532241240} is an apocalyptic number.

254420532241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254420532241240 is an abundant number, since it is smaller than the sum of its proper divisors (318026468936840).

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

254420532241240 is a wasteful number, since it uses less digits than its factorization.

254420532241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929291 (or 8929287 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 254420532241240 its reverse (42142235024452), we get a palindrome (296562767265692).

The spelling of 254420532241240 in words is "two hundred fifty-four trillion, four hundred twenty billion, five hundred thirty-two million, two hundred forty-one thousand, two hundred forty".