254131443540420 has 48 divisors (see below), whose sum is σ = 723628517209920. Its totient is φ = 66619768249216.

The previous prime is 254131443540409. The next prime is 254131443540421. The reversal of 254131443540420 is 24045344131452.

It is not an unprimeable number, because it can be changed into a prime (254131443540421) 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, 35894268147 + ... + 35894275226.

It is an arithmetic number, because the mean of its divisors is an integer number (15075594108540).

Almost surely, 2^{254131443540420} is an apocalyptic number.

254131443540420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254131443540420 is an abundant number, since it is smaller than the sum of its proper divisors (469497073669500).

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

254131443540420 is a wasteful number, since it uses less digits than its factorization.

254131443540420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71788543444 (or 71788543442 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 254131443540420 its reverse (24045344131452), we get a palindrome (278176787671872).

The spelling of 254131443540420 in words is "two hundred fifty-four trillion, one hundred thirty-one billion, four hundred forty-three million, five hundred forty thousand, four hundred twenty".