40387411340 has 24 divisors (see below), whose sum is σ = 84845008752. Its totient is φ = 16148975040.

The previous prime is 40387411321. The next prime is 40387411367. The reversal of 40387411340 is 4311478304.

It is a super-2 number, since 2×40387411340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40387411340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318851 + ... + 427130.

It is an arithmetic number, because the mean of its divisors is an integer number (3535208698).

Almost surely, 2^40387411340 is an apocalyptic number.

It is an amenable number.

40387411340 is an abundant number, since it is smaller than the sum of its proper divisors (44457597412).

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

40387411340 is a wasteful number, since it uses less digits than its factorization.

40387411340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748697 (or 748695 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 40387411340 its reverse (4311478304), we get a palindrome (44698889644).

The spelling of 40387411340 in words is "forty billion, three hundred eighty-seven million, four hundred eleven thousand, three hundred forty".