40302430343220 has 384 divisors, whose sum is σ = 131280473640960. Its totient is φ = 9163413135360.

The previous prime is 40302430343213. The next prime is 40302430343233. The reversal of 40302430343220 is 2234303420304.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1788743355 + ... + 1788765885.

It is an arithmetic number, because the mean of its divisors is an integer number (341876233440).

Almost surely, 2^{40302430343220} 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 40302430343220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65640236820480).

40302430343220 is an abundant number, since it is smaller than the sum of its proper divisors (90978043297740).

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

40302430343220 is a wasteful number, since it uses less digits than its factorization.

40302430343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615 (or 26613 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 40302430343220 its reverse (2234303420304), we get a palindrome (42536733763524).

The spelling of 40302430343220 in words is "forty trillion, three hundred two billion, four hundred thirty million, three hundred forty-three thousand, two hundred twenty".