254891442940 has 12 divisors (see below), whose sum is σ = 535272030216. Its totient is φ = 101956577168.

The previous prime is 254891442931. The next prime is 254891442943. The reversal of 254891442940 is 49244198452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254891442943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6372286054 + ... + 6372286093.

It is an arithmetic number, because the mean of its divisors is an integer number (44606002518).

Almost surely, 2^254891442940 is an apocalyptic number.

254891442940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254891442940 is an abundant number, since it is smaller than the sum of its proper divisors (280380587276).

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

254891442940 is a wasteful number, since it uses less digits than its factorization.

254891442940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744572156 (or 12744572154 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 254891442940 in words is "two hundred fifty-four billion, eight hundred ninety-one million, four hundred forty-two thousand, nine hundred forty".