402245102063650 has 24 divisors (see below), whose sum is σ = 748523393935524. Its totient is φ = 160823308761600.

The previous prime is 402245102063627. The next prime is 402245102063653. The reversal of 402245102063650 is 56360201542204.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 49358394955809 + 352886707107841 = 7025553^2 + 18785279^2 .

It is a super-2 number, since 2×402245102063650² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402245102063653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1868192871 + ... + 1868408170.

Almost surely, 2^{402245102063650} is an apocalyptic number.

402245102063650 is a deficient number, since it is larger than the sum of its proper divisors (346278291871874).

402245102063650 is a wasteful number, since it uses less digits than its factorization.

402245102063650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736603206 (or 3736603201 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 402245102063650 in words is "four hundred two trillion, two hundred forty-five billion, one hundred two million, sixty-three thousand, six hundred fifty".