158040580 has 12 divisors (see below), whose sum is σ = 331885260. Its totient is φ = 63216224.

The previous prime is 158040479. The next prime is 158040581. The reversal of 158040580 is 85040851.

It can be written as a sum of positive squares in 2 ways, for example, as 122899396 + 35141184 = 11086^2 + 5928^2 .

It is not an unprimeable number, because it can be changed into a prime (158040581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950995 + ... + 3951034.

It is an arithmetic number, because the mean of its divisors is an integer number (27657105).

Almost surely, 2^158040580 is an apocalyptic number.

158040580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158040580 is an abundant number, since it is smaller than the sum of its proper divisors (173844680).

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

158040580 is a wasteful number, since it uses less digits than its factorization.

158040580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902038 (or 7902036 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 158040580 is about 12571.4191720744. The cubic root of 158040580 is about 540.6582963889.

The spelling of 158040580 in words is "one hundred fifty-eight million, forty thousand, five hundred eighty".