40153787880 has 128 divisors (see below), whose sum is σ = 127380556800. Its totient is φ = 10109491200.

The previous prime is 40153787879. The next prime is 40153787909. The reversal of 40153787880 is 8878735104.

40153787880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40153787880² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 20886 + ... + 284154.

It is an arithmetic number, because the mean of its divisors is an integer number (995160600).

Almost surely, 2^40153787880 is an apocalyptic number.

40153787880 is a gapful number since it is divisible by the number (40) 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 40153787880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63690278400).

40153787880 is an abundant number, since it is smaller than the sum of its proper divisors (87226768920).

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

40153787880 is a wasteful number, since it uses less digits than its factorization.

40153787880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263355 (or 263351 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 40153787880 in words is "forty billion, one hundred fifty-three million, seven hundred eighty-seven thousand, eight hundred eighty".