651551151040 has 112 divisors (see below), whose sum is σ = 1556724193632. Its totient is φ = 259745550336.

The previous prime is 651551150993. The next prime is 651551151047. The reversal of 651551151040 is 40151155156.

It is a junction number, because it is equal to n+sod(n) for n = 651551150987 and 651551151005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651551151047) 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, 130647427 + ... + 130652413.

Almost surely, 2^651551151040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651551151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778362096816).

651551151040 is an abundant number, since it is smaller than the sum of its proper divisors (905173042592).

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

651551151040 is a wasteful number, since it uses less digits than its factorization.

651551151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6284 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 651551151040 in words is "six hundred fifty-one billion, five hundred fifty-one million, one hundred fifty-one thousand, forty".