2635441789428 has 240 divisors, whose sum is σ = 7982429938560. Its totient is φ = 742625335296.

The previous prime is 2635441789417. The next prime is 2635441789459. The reversal of 2635441789428 is 8249871445362.

2635441789428 is a `hidden beast` number, since 2 + 6 + 3 + 544 + 1 + 7 + 89 + 4 + 2 + 8 = 666.

2635441789428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111616888 + ... + 111640496.

It is an arithmetic number, because the mean of its divisors is an integer number (33260124744).

Almost surely, 2^{2635441789428} is an apocalyptic number.

2635441789428 is a gapful number since it is divisible by the number (28) 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 2635441789428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991214969280).

2635441789428 is an abundant number, since it is smaller than the sum of its proper divisors (5346988149132).

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

2635441789428 is a wasteful number, since it uses less digits than its factorization.

2635441789428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24308 (or 24297 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 2635441789428 in words is "two trillion, six hundred thirty-five billion, four hundred forty-one million, seven hundred eighty-nine thousand, four hundred twenty-eight".