2426740840 has 24 divisors (see below), whose sum is σ = 5460867990. Its totient is φ = 970571712.

The previous prime is 2426740817. The next prime is 2426740861. The reversal of 2426740840 is 480476242.

It can be written as a sum of positive squares in 3 ways, for example, as 2106259236 + 320481604 = 45894^2 + 17902^2 .

It is a super-2 number, since 2×2426740840² = 11778142209047811200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2426740840.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307666 + ... + 315454.

Almost surely, 2^2426740840 is an apocalyptic number.

2426740840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2426740840 is an abundant number, since it is smaller than the sum of its proper divisors (3034127150).

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

2426740840 is an frugal number, since it uses more digits than its factorization.

2426740840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15589 (or 7796 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 2426740840 is about 49261.9613901030. The cubic root of 2426740840 is about 1343.8201009328.

The spelling of 2426740840 in words is "two billion, four hundred twenty-six million, seven hundred forty thousand, eight hundred forty".