1651153260240 has 120 divisors (see below), whose sum is σ = 6049225155168. Its totient is φ = 400279576320.

The previous prime is 1651153260227. The next prime is 1651153260269. The reversal of 1651153260240 is 420623511561.

1651153260240 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 1 + 5 + 3 + 2 + 602 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1651153260195 and 1651153260204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104231554 + ... + 104247393.

Almost surely, 2^{1651153260240} is an apocalyptic number.

1651153260240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1651153260240 is an abundant number, since it is smaller than the sum of its proper divisors (4398071894928).

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

1651153260240 is a wasteful number, since it uses less digits than its factorization.

1651153260240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208478977 (or 208478968 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 1651153260240 in words is "one trillion, six hundred fifty-one billion, one hundred fifty-three million, two hundred sixty thousand, two hundred forty".