254790091720 has 32 divisors (see below), whose sum is σ = 573376345920. Its totient is φ = 101898500800.

The previous prime is 254790091669. The next prime is 254790091723. The reversal of 254790091720 is 27190097452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (254790091723) 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, 311356 + ... + 778795.

It is an arithmetic number, because the mean of its divisors is an integer number (17918010810).

Almost surely, 2^254790091720 is an apocalyptic number.

254790091720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254790091720 is an abundant number, since it is smaller than the sum of its proper divisors (318586254200).

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

254790091720 is a wasteful number, since it uses less digits than its factorization.

254790091720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096005 (or 1096001 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 254790091720 in words is "two hundred fifty-four billion, seven hundred ninety million, ninety-one thousand, seven hundred twenty".