254402544541431 has 64 divisors (see below), whose sum is σ = 407457246551040. Its totient is φ = 140318549078400.

The previous prime is 254402544541427. The next prime is 254402544541499. The reversal of 254402544541431 is 134145445204452.

It is a happy number.

It is not a de Polignac number, because 254402544541431 - 2² = 254402544541427 is a prime.

It is a super-2 number, since 2×254402544541431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254402544541031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30828076 + ... + 38199153.

It is an arithmetic number, because the mean of its divisors is an integer number (6366519477360).

Almost surely, 2^{254402544541431} is an apocalyptic number.

254402544541431 is a deficient number, since it is larger than the sum of its proper divisors (153054702009609).

254402544541431 is a wasteful number, since it uses less digits than its factorization.

254402544541431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69027349 (or 69027327 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 48.

Adding to 254402544541431 its reverse (134145445204452), we get a palindrome (388547989745883).

The spelling of 254402544541431 in words is "two hundred fifty-four trillion, four hundred two billion, five hundred forty-four million, five hundred forty-one thousand, four hundred thirty-one".