254421030445152 has 48 divisors (see below), whose sum is σ = 668248292577600. Its totient is φ = 84757094255232.

The previous prime is 254421030445133. The next prime is 254421030445157. The reversal of 254421030445152 is 251544030124452.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254421030445157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779771878 + ... + 780098085.

It is an arithmetic number, because the mean of its divisors is an integer number (13921839428700).

Almost surely, 2^{254421030445152} is an apocalyptic number.

It is an amenable number.

254421030445152 is an abundant number, since it is smaller than the sum of its proper divisors (413827262132448).

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

254421030445152 is a wasteful number, since it uses less digits than its factorization.

254421030445152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559871675 (or 1559871667 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 254421030445152 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, thirty million, four hundred forty-five thousand, one hundred fifty-two".