40402030323340 has 192 divisors, whose sum is σ = 105183778452480. Its totient is φ = 12717983784960.

The previous prime is 40402030323331. The next prime is 40402030323367. The reversal of 40402030323340 is 4332303020404.

40402030323340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40402030323299 and 40402030323308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1399965831 + ... + 1399994689.

It is an arithmetic number, because the mean of its divisors is an integer number (547832179440).

Almost surely, 2^{40402030323340} 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 40402030323340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52591889226240).

40402030323340 is an abundant number, since it is smaller than the sum of its proper divisors (64781748129140).

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

40402030323340 is a wasteful number, since it uses less digits than its factorization.

40402030323340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43280 (or 43278 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40402030323340 its reverse (4332303020404), we get a palindrome (44734333343744).

The spelling of 40402030323340 in words is "forty trillion, four hundred two billion, thirty million, three hundred twenty-three thousand, three hundred forty".