40887532021 has 12 divisors (see below), whose sum is σ = 48848537388. Its totient is φ = 34099252992.

The previous prime is 40887532001. The next prime is 40887532033. The reversal of 40887532021 is 12023578804.

It is a happy number.

40887532021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16788384900 + 24099147121 = 129570^2 + 155239^2 .

It is not a de Polignac number, because 40887532021 - 2²⁵ = 40853977589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40887532001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11274396 + ... + 11278021.

It is an arithmetic number, because the mean of its divisors is an integer number (4070711449).

Almost surely, 2^40887532021 is an apocalyptic number.

It is an amenable number.

40887532021 is a deficient number, since it is larger than the sum of its proper divisors (7961005367).

40887532021 is a wasteful number, since it uses less digits than its factorization.

40887532021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552468 (or 22552461 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

It can be divided in two parts, 408875 and 32021, that added together give a square (440896 = 664²).

The spelling of 40887532021 in words is "forty billion, eight hundred eighty-seven million, five hundred thirty-two thousand, twenty-one".