2423778100 has 72 divisors (see below), whose sum is σ = 5315854208. Its totient is φ = 959212800.

The previous prime is 2423778067. The next prime is 2423778143. The reversal of 2423778100 is 18773242.

It is a super-2 number, since 2×2423778100² = 11749400556079220000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6604117 + ... + 6604483.

Almost surely, 2^2423778100 is an apocalyptic number.

2423778100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2423778100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2657927104).

2423778100 is an abundant number, since it is smaller than the sum of its proper divisors (2892076108).

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

2423778100 is a wasteful number, since it uses less digits than its factorization.

2423778100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2423778100 is about 49231.8809309577. The cubic root of 2423778100 is about 1343.2730007706.

The spelling of 2423778100 in words is "two billion, four hundred twenty-three million, seven hundred seventy-eight thousand, one hundred".