40988511504 has 120 divisors (see below), whose sum is σ = 122922569952. Its totient is φ = 12704148480.

The previous prime is 40988511503. The next prime is 40988511559. The reversal of 40988511504 is 40511588904.

It is a happy number.

40988511504 is a `hidden beast` number, since 4 + 0 + 9 + 88 + 511 + 50 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40988511504.

It is not an unprimeable number, because it can be changed into a prime (40988511503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102319 + ... + 304049.

Almost surely, 2^40988511504 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 40988511504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61461284976).

40988511504 is an abundant number, since it is smaller than the sum of its proper divisors (81934058448).

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

40988511504 is a wasteful number, since it uses less digits than its factorization.

40988511504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201845 (or 201836 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 40988511504 in words is "forty billion, nine hundred eighty-eight million, five hundred eleven thousand, five hundred four".