4240000040 has 16 divisors (see below), whose sum is σ = 9540000180. Its totient is φ = 1696000000.

The previous prime is 4239999991. The next prime is 4240000087. The reversal of 4240000040 is 400000424.

It can be written as a sum of positive squares in 2 ways, for example, as 4195671076 + 44328964 = 64774^2 + 6658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52999961 + ... + 53000040.

Almost surely, 2^4240000040 is an apocalyptic number.

4240000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240000040 is an abundant number, since it is smaller than the sum of its proper divisors (5300000140).

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

4240000040 is a wasteful number, since it uses less digits than its factorization.

4240000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000012 (or 106000008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4240000040 is about 65115.2826915464. The cubic root of 4240000040 is about 1618.5344720030.

Adding to 4240000040 its reverse (400000424), we get a palindrome (4640000464).

The spelling of 4240000040 in words is "four billion, two hundred forty million, forty", and thus it is an aban number.