2421077536 has 96 divisors (see below), whose sum is σ = 5051531520. Its totient is φ = 1140811776.

The previous prime is 2421077531. The next prime is 2421077569. The reversal of 2421077536 is 6357701242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 2421077495 and 2421077504.

It is not an unprimeable number, because it can be changed into a prime (2421077531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7734916 + ... + 7735228.

It is an arithmetic number, because the mean of its divisors is an integer number (52620120).

Almost surely, 2^2421077536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421077536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2525765760).

2421077536 is an abundant number, since it is smaller than the sum of its proper divisors (2630453984).

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

2421077536 is a wasteful number, since it uses less digits than its factorization.

2421077536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2421077536 is about 49204.4463031544. The cubic root of 2421077536 is about 1342.7739255422.

Adding to 2421077536 its reverse (6357701242), we get a palindrome (8778778778).

The spelling of 2421077536 in words is "two billion, four hundred twenty-one million, seventy-seven thousand, five hundred thirty-six".