254140401145454 has 24 divisors (see below), whose sum is σ = 398508088539792. Its totient is φ = 121544650434240.

The previous prime is 254140401145451. The next prime is 254140401145511. The reversal of 254140401145454 is 454541104041452.

It is a super-2 number, since 2×254140401145454² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254140401145451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192270839 + ... + 193588109.

It is an arithmetic number, because the mean of its divisors is an integer number (16604503689158).

Almost surely, 2^{254140401145454} is an apocalyptic number.

254140401145454 is a deficient number, since it is larger than the sum of its proper divisors (144367687394338).

254140401145454 is a wasteful number, since it uses less digits than its factorization.

254140401145454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499672 (or 1499649 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 44.

The spelling of 254140401145454 in words is "two hundred fifty-four trillion, one hundred forty billion, four hundred one million, one hundred forty-five thousand, four hundred fifty-four".