32774605745640 has 256 divisors, whose sum is σ = 108784653004800. Its totient is φ = 7832900275200.

The previous prime is 32774605745639. The next prime is 32774605745647. The reversal of 32774605745640 is 4654750647723.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (32774605745647) 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, 68691339 + ... + 69166821.

It is an arithmetic number, because the mean of its divisors is an integer number (424940050800).

Almost surely, 2^{32774605745640} is an apocalyptic number.

32774605745640 is a gapful number since it is divisible by the number (30) 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 32774605745640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54392326502400).

32774605745640 is an abundant number, since it is smaller than the sum of its proper divisors (76010047259160).

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

32774605745640 is a wasteful number, since it uses less digits than its factorization.

32774605745640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476248 (or 476244 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 60.

The spelling of 32774605745640 in words is "thirty-two trillion, seven hundred seventy-four billion, six hundred five million, seven hundred forty-five thousand, six hundred forty".