10302302640 has 160 divisors (see below), whose sum is σ = 36559374336. Its totient is φ = 2350955520.

The previous prime is 10302302639. The next prime is 10302302713. The reversal of 10302302640 is 4620320301.

It is a happy number.

It is a super-2 number, since 2×10302302640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092345 + ... + 1101735.

Almost surely, 2^10302302640 is an apocalyptic number.

10302302640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10302302640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18279687168).

10302302640 is an abundant number, since it is smaller than the sum of its proper divisors (26257071696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10302302640 is a wasteful number, since it uses less digits than its factorization.

10302302640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067 (or 10061 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10302302640 its reverse (4620320301), we get a palindrome (14922622941).

The spelling of 10302302640 in words is "ten billion, three hundred two million, three hundred two thousand, six hundred forty".