40780108044 has 120 divisors (see below), whose sum is σ = 120850569840. Its totient is φ = 11887295616.

The previous prime is 40780108007. The next prime is 40780108073. The reversal of 40780108044 is 44080108704.

It is a happy number.

40780108044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174759 + ... + 334814.

It is an arithmetic number, because the mean of its divisors is an integer number (1007088082).

Almost surely, 2^40780108044 is an apocalyptic number.

It is an amenable number.

40780108044 is an abundant number, since it is smaller than the sum of its proper divisors (80070461796).

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

40780108044 is a wasteful number, since it uses less digits than its factorization.

40780108044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509621 (or 509610 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 40780108044 in words is "forty billion, seven hundred eighty million, one hundred eight thousand, forty-four".