254428515120 has 160 divisors (see below), whose sum is σ = 894105273600. Its totient is φ = 59332303872.

The previous prime is 254428515091. The next prime is 254428515137. The reversal of 254428515120 is 21515824452.

It is a super-2 number, since 2×254428515120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2086710 + ... + 2205269.

It is an arithmetic number, because the mean of its divisors is an integer number (5588157960).

Almost surely, 2^254428515120 is an apocalyptic number.

254428515120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254428515120 is an abundant number, since it is smaller than the sum of its proper divisors (639676758480).

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

254428515120 is a wasteful number, since it uses less digits than its factorization.

254428515120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292027 (or 4292021 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 254428515120 in words is "two hundred fifty-four billion, four hundred twenty-eight million, five hundred fifteen thousand, one hundred twenty".