2440240400402 has 24 divisors (see below), whose sum is σ = 4261742140860. Its totient is φ = 1044890945280.

The previous prime is 2440240400369. The next prime is 2440240400449. The reversal of 2440240400402 is 2040040420442.

It can be written as a sum of positive squares in 2 ways, for example, as 2430103736641 + 10136663761 = 1558879^2 + 100681^2 .

It is a super-2 number, since 2×2440240400402² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10916999 + ... + 11138282.

Almost surely, 2^{2440240400402} is an apocalyptic number.

2440240400402 is a deficient number, since it is larger than the sum of its proper divisors (1821501740458).

2440240400402 is a wasteful number, since it uses less digits than its factorization.

2440240400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056426 (or 22056419 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2440240400402 its reverse (2040040420442), we get a palindrome (4480280820844).

The spelling of 2440240400402 in words is "two trillion, four hundred forty billion, two hundred forty million, four hundred thousand, four hundred two".