1147458632640 has 336 divisors, whose sum is σ = 3800563257888. Its totient is φ = 293209792512.

The previous prime is 1147458632581. The next prime is 1147458632681. The reversal of 1147458632640 is 462368547411.

It is a super-2 number, since 2×1147458632640² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94071022 + ... + 94083218.

Almost surely, 2^{1147458632640} is an apocalyptic number.

1147458632640 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 1147458632640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900281628944).

1147458632640 is an abundant number, since it is smaller than the sum of its proper divisors (2653104625248).

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

1147458632640 is a wasteful number, since it uses less digits than its factorization.

1147458632640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12356 (or 12303 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 1147458632640 in words is "one trillion, one hundred forty-seven billion, four hundred fifty-eight million, six hundred thirty-two thousand, six hundred forty".