1651732240980 has 192 divisors, whose sum is σ = 4919579836416. Its totient is φ = 413198016000.

The previous prime is 1651732240937. The next prime is 1651732240987. The reversal of 1651732240980 is 890422371561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651732240987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18670050 + ... + 18758310.

It is an arithmetic number, because the mean of its divisors is an integer number (25622811648).

It is a 1-persistent number, because it is pandigital, but 2⋅1651732240980 = 3303464481960 is not.

Almost surely, 2^{1651732240980} is an apocalyptic number.

1651732240980 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 1651732240980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459789918208).

1651732240980 is an abundant number, since it is smaller than the sum of its proper divisors (3267847595436).

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

1651732240980 is a wasteful number, since it uses less digits than its factorization.

1651732240980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88558 (or 88556 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1651732240980 in words is "one trillion, six hundred fifty-one billion, seven hundred thirty-two million, two hundred forty thousand, nine hundred eighty".