156408426 has 48 divisors (see below), whose sum is σ = 354299400. Its totient is φ = 49803264.

The previous prime is 156408419. The next prime is 156408451. The reversal of 156408426 is 624804651.

156408426 is a `hidden beast` number, since 1 + 5 + 640 + 8 + 4 + 2 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 152547201 + 3861225 = 12351^2 + 1965^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49090 + ... + 52178.

Almost surely, 2^156408426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156408426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177149700).

156408426 is an abundant number, since it is smaller than the sum of its proper divisors (197890974).

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

156408426 is a wasteful number, since it uses less digits than its factorization.

156408426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 156408426 is about 12506.3354344908. The cubic root of 156408426 is about 538.7906475362.

The spelling of 156408426 in words is "one hundred fifty-six million, four hundred eight thousand, four hundred twenty-six".