254423136516 has 48 divisors (see below), whose sum is σ = 614175925440. Its totient is φ = 81876493440.

The previous prime is 254423136493. The next prime is 254423136529. The reversal of 254423136516 is 615631324452.

It is a super-2 number, since 2×254423136516² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5711811 + ... + 5756181.

It is an arithmetic number, because the mean of its divisors is an integer number (12795331780).

Almost surely, 2^254423136516 is an apocalyptic number.

It is an amenable number.

254423136516 is an abundant number, since it is smaller than the sum of its proper divisors (359752788924).

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

254423136516 is a wasteful number, since it uses less digits than its factorization.

254423136516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60884 (or 60882 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 254423136516 in words is "two hundred fifty-four billion, four hundred twenty-three million, one hundred thirty-six thousand, five hundred sixteen".