40043576880 has 320 divisors, whose sum is σ = 142000435200. Its totient is φ = 10367585280.

The previous prime is 40043576869. The next prime is 40043576899. The reversal of 40043576880 is 8867534004.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10407117 + ... + 10410963.

It is an arithmetic number, because the mean of its divisors is an integer number (443751360).

Almost surely, 2^40043576880 is an apocalyptic number.

40043576880 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 40043576880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71000217600).

40043576880 is an abundant number, since it is smaller than the sum of its proper divisors (101956858320).

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

40043576880 is a wasteful number, since it uses less digits than its factorization.

40043576880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40043576880 in words is "forty billion, forty-three million, five hundred seventy-six thousand, eight hundred eighty".