40887215292 has 96 divisors (see below), whose sum is σ = 119800719360. Its totient is φ = 10543619520.

The previous prime is 40887215231. The next prime is 40887215323. The reversal of 40887215292 is 29251278804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30738 + ... + 287609.

It is an arithmetic number, because the mean of its divisors is an integer number (1247924160).

Almost surely, 2^40887215292 is an apocalyptic number.

40887215292 is a gapful number since it is divisible by the number (42) 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 40887215292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59900359680).

40887215292 is an abundant number, since it is smaller than the sum of its proper divisors (78913504068).

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

40887215292 is a wasteful number, since it uses less digits than its factorization.

40887215292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318511 (or 318509 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 40887215292 in words is "forty billion, eight hundred eighty-seven million, two hundred fifteen thousand, two hundred ninety-two".