40304051340 has 288 divisors, whose sum is σ = 139866289920. Its totient is φ = 8621351424.

The previous prime is 40304051327. The next prime is 40304051353. The reversal of 40304051340 is 4315040304.

It is an interprime number because it is at equal distance from previous prime (40304051327) and next prime (40304051353).

It is a self number, because there is not a number n which added to its sum of digits gives 40304051340.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4632034 + ... + 4640726.

It is an arithmetic number, because the mean of its divisors is an integer number (485646840).

Almost surely, 2^40304051340 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 40304051340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69933144960).

40304051340 is an abundant number, since it is smaller than the sum of its proper divisors (99562238580).

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

40304051340 is a wasteful number, since it uses less digits than its factorization.

40304051340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8821 (or 8812 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 40304051340 its reverse (4315040304), we get a palindrome (44619091644).

The spelling of 40304051340 in words is "forty billion, three hundred four million, fifty-one thousand, three hundred forty".