2442349640 has 16 divisors (see below), whose sum is σ = 5495286780. Its totient is φ = 976939840.

The previous prime is 2442349631. The next prime is 2442349649. The reversal of 2442349640 is 469432442.

It is an interprime number because it is at equal distance from previous prime (2442349631) and next prime (2442349649).

It can be written as a sum of positive squares in 2 ways, for example, as 2153145604 + 289204036 = 46402^2 + 17006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2442349594 and 2442349603.

It is not an unprimeable number, because it can be changed into a prime (2442349649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30529331 + ... + 30529410.

Almost surely, 2^2442349640 is an apocalyptic number.

2442349640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442349640 is an abundant number, since it is smaller than the sum of its proper divisors (3052937140).

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

2442349640 is a wasteful number, since it uses less digits than its factorization.

2442349640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61058752 (or 61058748 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2442349640 is about 49420.1339536833. The cubic root of 2442349640 is about 1346.6950965580.

The spelling of 2442349640 in words is "two billion, four hundred forty-two million, three hundred forty-nine thousand, six hundred forty".