40144600 has 24 divisors (see below), whose sum is σ = 93336660. Its totient is φ = 16057760.

The previous prime is 40144567. The next prime is 40144609. The reversal of 40144600 is 644104.

It is a super-2 number, since 2×40144600² = 3223177818320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40144609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100162 + ... + 100561.

Almost surely, 2^40144600 is an apocalyptic number.

40144600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40144600 is an abundant number, since it is smaller than the sum of its proper divisors (53192060).

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

40144600 is a wasteful number, since it uses less digits than its factorization.

40144600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200739 (or 200730 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40144600 is about 6335.9766413711. The cubic root of 40144600 is about 342.4067979478.

Adding to 40144600 its reverse (644104), we get a palindrome (40788704).

The spelling of 40144600 in words is "forty million, one hundred forty-four thousand, six hundred".