156794240 has 64 divisors (see below), whose sum is σ = 376380000. Its totient is φ = 62459904.

The previous prime is 156794227. The next prime is 156794263. The reversal of 156794240 is 42497651.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 156794194 and 156794203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261461 + ... + 262059.

Almost surely, 2^156794240 is an apocalyptic number.

156794240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188190000).

156794240 is an abundant number, since it is smaller than the sum of its proper divisors (219585760).

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

156794240 is an equidigital number, since it uses as much as digits as its factorization.

156794240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 156794240 is about 12521.7506763232. The cubic root of 156794240 is about 539.2332969368.

The spelling of 156794240 in words is "one hundred fifty-six million, seven hundred ninety-four thousand, two hundred forty".