40350430320400 has 30 divisors (see below), whose sum is σ = 96941908845722. Its totient is φ = 16140172128000.

The previous prime is 40350430320383. The next prime is 40350430320401. The reversal of 40350430320400 is 402303405304.

It can be written as a sum of positive squares in 3 ways, for example, as 8347106826496 + 32003323493904 = 2889136^2 + 5657148^2 .

It is not an unprimeable number, because it can be changed into a prime (40350430320401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50438037501 + ... + 50438038300.

Almost surely, 2^{40350430320400} is an apocalyptic number.

40350430320400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40350430320400 is an abundant number, since it is smaller than the sum of its proper divisors (56591478525322).

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

40350430320400 is a wasteful number, since it uses less digits than its factorization.

40350430320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100876075819 (or 100876075808 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 40350430320400 its reverse (402303405304), we get a palindrome (40752733725704).

The spelling of 40350430320400 in words is "forty trillion, three hundred fifty billion, four hundred thirty million, three hundred twenty thousand, four hundred".