2400422239993 has 4 divisors (see below), whose sum is σ = 2400455216628. Its totient is φ = 2400389263360.

The previous prime is 2400422239979. The next prime is 2400422239997. The reversal of 2400422239993 is 3999322240042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1987727777424 + 412694462569 = 1409868^2 + 642413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400422239993 - 2¹⁷ = 2400422108921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400422239997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16378888 + ... + 16524793.

It is an arithmetic number, because the mean of its divisors is an integer number (600113804157).

Almost surely, 2^{2400422239993} is an apocalyptic number.

It is an amenable number.

2400422239993 is a deficient number, since it is larger than the sum of its proper divisors (32976635).

2400422239993 is an equidigital number, since it uses as much as digits as its factorization.

2400422239993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32976634.

The product of its (nonzero) digits is 1679616, while the sum is 49.

Adding to 2400422239993 its sum of digits (49), we get a palindrome (2400422240042).

The spelling of 2400422239993 in words is "two trillion, four hundred billion, four hundred twenty-two million, two hundred thirty-nine thousand, nine hundred ninety-three".