402041012764 has 12 divisors (see below), whose sum is σ = 703935765064. Its totient is φ = 200916508464.

The previous prime is 402041012753. The next prime is 402041012767. The reversal of 402041012764 is 467210140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402041012767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25990782 + ... + 26006245.

Almost surely, 2^402041012764 is an apocalyptic number.

It is an amenable number.

402041012764 is a deficient number, since it is larger than the sum of its proper divisors (301894752300).

402041012764 is a wasteful number, since it uses less digits than its factorization.

402041012764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51998964 (or 51998962 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 402041012764 its reverse (467210140204), we get a palindrome (869251152968).

The spelling of 402041012764 in words is "four hundred two billion, forty-one million, twelve thousand, seven hundred sixty-four".