156460240 has 40 divisors (see below), whose sum is σ = 370643688. Its totient is φ = 61401600.

The previous prime is 156460219. The next prime is 156460247. The reversal of 156460240 is 42064651.

It can be written as a sum of positive squares in 4 ways, for example, as 2005056 + 154455184 = 1416^2 + 12428^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×156460240⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156460199 and 156460208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156460247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14211 + ... + 22690.

Almost surely, 2^156460240 is an apocalyptic number.

156460240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156460240 is an abundant number, since it is smaller than the sum of its proper divisors (214183448).

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

156460240 is a wasteful number, since it uses less digits than its factorization.

156460240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36967 (or 36961 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 156460240 is about 12508.4067730467. The cubic root of 156460240 is about 538.8501366937.

The spelling of 156460240 in words is "one hundred fifty-six million, four hundred sixty thousand, two hundred forty".