436140240 has 160 divisors (see below), whose sum is σ = 1420004352. Its totient is φ = 110707200.

The previous prime is 436140217. The next prime is 436140281. The reversal of 436140240 is 42041634.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 436140240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7149810 + ... + 7149870.

Almost surely, 2^436140240 is an apocalyptic number.

436140240 is a gapful number since it is divisible by the number (40) 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 436140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710002176).

436140240 is an abundant number, since it is smaller than the sum of its proper divisors (983864112).

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

436140240 is an equidigital number, since it uses as much as digits as its factorization.

436140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 436140240 is about 20883.9708867830. The cubic root of 436140240 is about 758.3599444297.

Adding to 436140240 its reverse (42041634), we get a palindrome (478181874).

The spelling of 436140240 in words is "four hundred thirty-six million, one hundred forty thousand, two hundred forty".