40743444380 has 12 divisors (see below), whose sum is σ = 85561233240. Its totient is φ = 16297377744.

The previous prime is 40743444377. The next prime is 40743444389. The reversal of 40743444380 is 8344434704.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743444389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018586090 + ... + 1018586129.

It is an arithmetic number, because the mean of its divisors is an integer number (7130102770).

Almost surely, 2^40743444380 is an apocalyptic number.

It is an amenable number.

40743444380 is an abundant number, since it is smaller than the sum of its proper divisors (44817788860).

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

40743444380 is a wasteful number, since it uses less digits than its factorization.

40743444380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037172228 (or 2037172226 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 40743444380 in words is "forty billion, seven hundred forty-three million, four hundred forty-four thousand, three hundred eighty".