40858532988 has 288 divisors, whose sum is σ = 125196470784. Its totient is φ = 10260214272.

The previous prime is 40858532977. The next prime is 40858532993. The reversal of 40858532988 is 88923585804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 53973906 + ... + 53974662.

It is an arithmetic number, because the mean of its divisors is an integer number (434709968).

Almost surely, 2^40858532988 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 40858532988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62598235392).

40858532988 is an abundant number, since it is smaller than the sum of its proper divisors (84337937796).

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

40858532988 is a wasteful number, since it uses less digits than its factorization.

40858532988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 40858532988 in words is "forty billion, eight hundred fifty-eight million, five hundred thirty-two thousand, nine hundred eighty-eight".