40875731380 has 144 divisors (see below), whose sum is σ = 97203673728. Its totient is φ = 14318726400.

The previous prime is 40875731363. The next prime is 40875731401. The reversal of 40875731380 is 8313757804.

It is a self number, because there is not a number n which added to its sum of digits gives 40875731380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83933497 + ... + 83933983.

It is an arithmetic number, because the mean of its divisors is an integer number (675025512).

Almost surely, 2^40875731380 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 40875731380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48601836864).

40875731380 is an abundant number, since it is smaller than the sum of its proper divisors (56327942348).

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

40875731380 is a wasteful number, since it uses less digits than its factorization.

40875731380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 40875731380 in words is "forty billion, eight hundred seventy-five million, seven hundred thirty-one thousand, three hundred eighty".