258420632 has 8 divisors (see below), whose sum is σ = 484538700. Its totient is φ = 129210312.

The previous prime is 258420611. The next prime is 258420641. The reversal of 258420632 is 236024852.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16151282 + ... + 16151297.

Almost surely, 2^258420632 is an apocalyptic number.

It is an amenable number.

258420632 is a deficient number, since it is larger than the sum of its proper divisors (226118068).

258420632 is a wasteful number, since it uses less digits than its factorization.

258420632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302585 (or 32302581 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 258420632 is about 16075.4667739385. The cubic root of 258420632 is about 636.9554551220.

The spelling of 258420632 in words is "two hundred fifty-eight million, four hundred twenty thousand, six hundred thirty-two".