2400419844 has 36 divisors (see below), whose sum is σ = 6231724044. Its totient is φ = 778514112.

The previous prime is 2400419837. The next prime is 2400419851. The reversal of 2400419844 is 4489140042.

It is an interprime number because it is at equal distance from previous prime (2400419837) and next prime (2400419851).

It can be written as a sum of positive squares in 2 ways, for example, as 901800900 + 1498618944 = 30030^2 + 38712^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2400419799 and 2400419808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899727 + ... + 902390.

Almost surely, 2^2400419844 is an apocalyptic number.

It is an amenable number.

2400419844 is an abundant number, since it is smaller than the sum of its proper divisors (3831304200).

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

2400419844 is a wasteful number, since it uses less digits than its factorization.

2400419844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802164 (or 1802159 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2400419844 is about 48994.0796831617. The cubic root of 2400419844 is about 1338.9439671144.

Adding to 2400419844 its reverse (4489140042), we get a palindrome (6889559886).

The spelling of 2400419844 in words is "two billion, four hundred million, four hundred nineteen thousand, eight hundred forty-four".