40525887512 has 128 divisors (see below), whose sum is σ = 93659846400. Its totient is φ = 16198963200.

The previous prime is 40525887487. The next prime is 40525887517. The reversal of 40525887512 is 21578852504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525887517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2065187 + ... + 2084717.

It is an arithmetic number, because the mean of its divisors is an integer number (731717550).

Almost surely, 2^40525887512 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 40525887512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46829923200).

40525887512 is an abundant number, since it is smaller than the sum of its proper divisors (53133958888).

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

40525887512 is a wasteful number, since it uses less digits than its factorization.

40525887512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657 (or 19653 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 40525887512 in words is "forty billion, five hundred twenty-five million, eight hundred eighty-seven thousand, five hundred twelve".