40253635026 has 96 divisors (see below), whose sum is σ = 97572159360. Its totient is φ = 11890771200.

The previous prime is 40253635007. The next prime is 40253635031. The reversal of 40253635026 is 62053635204.

40253635026 is a `hidden beast` number, since 40 + 2 + 53 + 63 + 502 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235076 + ... + 1267248.

It is an arithmetic number, because the mean of its divisors is an integer number (1016376660).

Almost surely, 2^40253635026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40253635026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48786079680).

40253635026 is an abundant number, since it is smaller than the sum of its proper divisors (57318524334).

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

40253635026 is a wasteful number, since it uses less digits than its factorization.

40253635026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32352 (or 32349 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 40253635026 in words is "forty billion, two hundred fifty-three million, six hundred thirty-five thousand, twenty-six".