2403276642 has 80 divisors (see below), whose sum is σ = 5822752320. Its totient is φ = 736488288.

The previous prime is 2403276637. The next prime is 2403276671. The reversal of 2403276642 is 2466723042.

2403276642 is a `hidden beast` number, since 2 + 4 + 0 + 3 + 2 + 7 + 6 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2403276597 and 2403276606.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 551709 + ... + 556047.

It is an arithmetic number, because the mean of its divisors is an integer number (72784404).

Almost surely, 2^2403276642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2403276642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911376160).

2403276642 is an abundant number, since it is smaller than the sum of its proper divisors (3419475678).

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

2403276642 is a wasteful number, since it uses less digits than its factorization.

2403276642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 2403276642 is about 49023.2255364740. The cubic root of 2403276642 is about 1339.4749264539.

Adding to 2403276642 its reverse (2466723042), we get a palindrome (4869999684).

The spelling of 2403276642 in words is "two billion, four hundred three million, two hundred seventy-six thousand, six hundred forty-two".