1040400202024 has 8 divisors (see below), whose sum is σ = 1950750378810. Its totient is φ = 520200101008.

The previous prime is 1040400202001. The next prime is 1040400202067. The reversal of 1040400202024 is 4202020040401.

It can be written as a sum of positive squares in only one way, i.e., 900809792100 + 139590409924 = 949110^2 + 373618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1040400201992 and 1040400202010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65025012619 + ... + 65025012634.

Almost surely, 2^{1040400202024} is an apocalyptic number.

It is an amenable number.

1040400202024 is a deficient number, since it is larger than the sum of its proper divisors (910350176786).

1040400202024 is a wasteful number, since it uses less digits than its factorization.

1040400202024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130050025259 (or 130050025255 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 1040400202024 its reverse (4202020040401), we get a palindrome (5242420242425).

The spelling of 1040400202024 in words is "one trillion, forty billion, four hundred million, two hundred two thousand, twenty-four".