2426145640 has 32 divisors (see below), whose sum is σ = 5574977280. Its totient is φ = 949809472.

The previous prime is 2426145629. The next prime is 2426145647. The reversal of 2426145640 is 465416242.

It is a junction number, because it is equal to n+sod(n) for n = 2426145596 and 2426145605.

It is not an unprimeable number, because it can be changed into a prime (2426145647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643372 + ... + 647131.

It is an arithmetic number, because the mean of its divisors is an integer number (174218040).

Almost surely, 2^2426145640 is an apocalyptic number.

2426145640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2426145640 is an abundant number, since it is smaller than the sum of its proper divisors (3148831640).

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

2426145640 is a wasteful number, since it uses less digits than its factorization.

2426145640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290561 (or 1290557 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 2426145640 is about 49255.9198472630. The cubic root of 2426145640 is about 1343.7102269389.

The spelling of 2426145640 in words is "two billion, four hundred twenty-six million, one hundred forty-five thousand, six hundred forty".