2636375040 has 528 divisors, whose sum is σ = 10264607808. Its totient is φ = 644972544.

The previous prime is 2636375029. The next prime is 2636375041. The reversal of 2636375040 is 405736362.

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 2636374986 and 2636375004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636375041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16173999 + ... + 16174161.

Almost surely, 2^2636375040 is an apocalyptic number.

2636375040 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 2636375040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5132303904).

2636375040 is an abundant number, since it is smaller than the sum of its proper divisors (7628232768).

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

2636375040 is a wasteful number, since it uses less digits than its factorization.

2636375040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 2636375040 is about 51345.6428531185. The cubic root of 2636375040 is about 1381.4517802987.

The spelling of 2636375040 in words is "two billion, six hundred thirty-six million, three hundred seventy-five thousand, forty".