650854031240 has 64 divisors (see below), whose sum is σ = 1682296421760. Its totient is φ = 221993717760.

The previous prime is 650854031221. The next prime is 650854031249. The reversal of 650854031240 is 42130458056.

It is a super-2 number, since 2×650854031240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 650854031194 and 650854031203.

It is not an unprimeable number, because it can be changed into a prime (650854031249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5967926 + ... + 6076005.

It is an arithmetic number, because the mean of its divisors is an integer number (26285881590).

Almost surely, 2^650854031240 is an apocalyptic number.

It is an amenable number.

650854031240 is an abundant number, since it is smaller than the sum of its proper divisors (1031442390520).

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

650854031240 is a wasteful number, since it uses less digits than its factorization.

650854031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044142 (or 12044138 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 650854031240 its reverse (42130458056), we get a palindrome (692984489296).

The spelling of 650854031240 in words is "six hundred fifty billion, eight hundred fifty-four million, thirty-one thousand, two hundred forty".