40887531552 has 96 divisors (see below), whose sum is σ = 122863934592. Its totient is φ = 11662977024.

The previous prime is 40887531523. The next prime is 40887531557. The reversal of 40887531552 is 25513578804.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40887531557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362308 + ... + 461564.

It is an arithmetic number, because the mean of its divisors is an integer number (1279832652).

Almost surely, 2^40887531552 is an apocalyptic number.

40887531552 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 40887531552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61431967296).

40887531552 is an abundant number, since it is smaller than the sum of its proper divisors (81976403040).

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

40887531552 is a wasteful number, since it uses less digits than its factorization.

40887531552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99890 (or 99882 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 40887531552 in words is "forty billion, eight hundred eighty-seven million, five hundred thirty-one thousand, five hundred fifty-two".