258629980 has 24 divisors (see below), whose sum is σ = 620712288. Its totient is φ = 88673088.

The previous prime is 258629977. The next prime is 258629989. The reversal of 258629980 is 89926852.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258629989) 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, 923539 + ... + 923818.

It is an arithmetic number, because the mean of its divisors is an integer number (25863012).

Almost surely, 2^258629980 is an apocalyptic number.

258629980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258629980 is an abundant number, since it is smaller than the sum of its proper divisors (362082308).

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

258629980 is a wasteful number, since it uses less digits than its factorization.

258629980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847373 (or 1847371 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 258629980 is about 16081.9768685321. The cubic root of 258629980 is about 637.1274090895.

The spelling of 258629980 in words is "two hundred fifty-eight million, six hundred twenty-nine thousand, nine hundred eighty".