650405215432 has 32 divisors (see below), whose sum is σ = 1431393721920. Its totient is φ = 271211440320.

The previous prime is 650405215429. The next prime is 650405215451. The reversal of 650405215432 is 234512504056.

It is a super-2 number, since 2×650405215432² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 650405215391 and 650405215400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156948994 + ... + 156953137.

It is an arithmetic number, because the mean of its divisors is an integer number (44731053810).

Almost surely, 2^650405215432 is an apocalyptic number.

It is an amenable number.

650405215432 is an abundant number, since it is smaller than the sum of its proper divisors (780988506488).

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

650405215432 is a wasteful number, since it uses less digits than its factorization.

650405215432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313902181 (or 313902177 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 650405215432 its reverse (234512504056), we get a palindrome (884917719488).

The spelling of 650405215432 in words is "six hundred fifty billion, four hundred five million, two hundred fifteen thousand, four hundred thirty-two".