158952440 has 16 divisors (see below), whose sum is σ = 357643080. Its totient is φ = 63580960.

The previous prime is 158952439. The next prime is 158952473. The reversal of 158952440 is 44259851.

It is a junction number, because it is equal to n+sod(n) for n = 158952394 and 158952403.

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 in 3 ways as a sum of consecutive naturals, for example, 1986866 + ... + 1986945.

Almost surely, 2^158952440 is an apocalyptic number.

158952440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158952440 is an abundant number, since it is smaller than the sum of its proper divisors (198690640).

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

158952440 is a wasteful number, since it uses less digits than its factorization.

158952440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973822 (or 3973818 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 158952440 is about 12607.6341952009. The cubic root of 158952440 is about 541.6961301002.

The spelling of 158952440 in words is "one hundred fifty-eight million, nine hundred fifty-two thousand, four hundred forty".