40304442330 has 48 divisors (see below), whose sum is σ = 104843722464. Its totient is φ = 10742500320.

The previous prime is 40304442329. The next prime is 40304442371. The reversal of 40304442330 is 3324440304.

It is a junction number, because it is equal to n+sod(n) for n = 40304442294 and 40304442303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71965 + ... + 292895.

It is an arithmetic number, because the mean of its divisors is an integer number (2184244218).

Almost surely, 2^40304442330 is an apocalyptic number.

40304442330 is an abundant number, since it is smaller than the sum of its proper divisors (64539280134).

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

40304442330 is a wasteful number, since it uses less digits than its factorization.

40304442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222971 (or 222968 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 40304442330 its reverse (3324440304), we get a palindrome (43628882634).

The spelling of 40304442330 in words is "forty billion, three hundred four million, four hundred forty-two thousand, three hundred thirty".