40026505632 has 96 divisors (see below), whose sum is σ = 106975028160. Its totient is φ = 13102387200.

The previous prime is 40026505621. The next prime is 40026505633. The reversal of 40026505632 is 23650562004.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 40026505593 and 40026505602.

It is not an unprimeable number, because it can be changed into a prime (40026505633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165507 + ... + 1199357.

It is an arithmetic number, because the mean of its divisors is an integer number (1114323210).

Almost surely, 2^40026505632 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 40026505632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53487514080).

40026505632 is an abundant number, since it is smaller than the sum of its proper divisors (66948522528).

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

40026505632 is a wasteful number, since it uses less digits than its factorization.

40026505632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34086 (or 34078 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 40026505632 in words is "forty billion, twenty-six million, five hundred five thousand, six hundred thirty-two".