4242440040 has 32 divisors (see below), whose sum is σ = 12727320480. Its totient is φ = 1131317312.

The previous prime is 4242440029. The next prime is 4242440053. The reversal of 4242440040 is 400442424.

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

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, 17676714 + ... + 17676953.

It is an arithmetic number, because the mean of its divisors is an integer number (397728765).

Almost surely, 2^4242440040 is an apocalyptic number.

4242440040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4242440040 is an abundant number, since it is smaller than the sum of its proper divisors (8484880440).

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

4242440040 is a wasteful number, since it uses less digits than its factorization.

4242440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35353681 (or 35353677 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4242440040 is about 65134.0159977872. The cubic root of 4242440040 is about 1618.8448860566.

Adding to 4242440040 its reverse (400442424), we get a palindrome (4642882464).

The spelling of 4242440040 in words is "four billion, two hundred forty-two million, four hundred forty thousand, forty".