159278040 has 48 divisors (see below), whose sum is σ = 517654800. Its totient is φ = 42474048.

The previous prime is 159278039. The next prime is 159278051. The reversal of 159278040 is 40872951.

It is a super-4 number, since 4×159278040⁴ (a number of 34 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 159277986 and 159278004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220860 + ... + 221579.

It is an arithmetic number, because the mean of its divisors is an integer number (10784475).

Almost surely, 2^159278040 is an apocalyptic number.

159278040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159278040 is an abundant number, since it is smaller than the sum of its proper divisors (358376760).

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

159278040 is a wasteful number, since it uses less digits than its factorization.

159278040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442456 (or 442449 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 159278040 is about 12620.5404004741. The cubic root of 159278040 is about 542.0657500243.

The spelling of 159278040 in words is "one hundred fifty-nine million, two hundred seventy-eight thousand, forty".