254353251632 has 20 divisors (see below), whose sum is σ = 492819004440. Its totient is φ = 127174153728.

The previous prime is 254353251619. The next prime is 254353251689. The reversal of 254353251632 is 236152353452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 254353251632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921344 + ... + 1165152.

It is an arithmetic number, because the mean of its divisors is an integer number (24640950222).

Almost surely, 2^254353251632 is an apocalyptic number.

It is an amenable number.

254353251632 is a deficient number, since it is larger than the sum of its proper divisors (238465752808).

254353251632 is a wasteful number, since it uses less digits than its factorization.

254353251632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309020 (or 309014 counting only the distinct ones).

The product of its digits is 648000, while the sum is 41.

The spelling of 254353251632 in words is "two hundred fifty-four billion, three hundred fifty-three million, two hundred fifty-one thousand, six hundred thirty-two".