40705148380 has 72 divisors (see below), whose sum is σ = 96095536992. Its totient is φ = 14370622464.

The previous prime is 40705148359. The next prime is 40705148383. The reversal of 40705148380 is 8384150704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40705148383) 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, 15600516 + ... + 15603124.

It is an arithmetic number, because the mean of its divisors is an integer number (1334660236).

Almost surely, 2^40705148380 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 40705148380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48047768496).

40705148380 is an abundant number, since it is smaller than the sum of its proper divisors (55390388612).

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

40705148380 is a wasteful number, since it uses less digits than its factorization.

40705148380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 40705148380 in words is "forty billion, seven hundred five million, one hundred forty-eight thousand, three hundred eighty".