1945512302736 has 40 divisors (see below), whose sum is σ = 5062592250144. Its totient is φ = 643770492160.

The previous prime is 1945512302731. The next prime is 1945512302743. The reversal of 1945512302736 is 6372032155491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1945512302731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147918630 + ... + 147931781.

Almost surely, 2^{1945512302736} is an apocalyptic number.

1945512302736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1945512302736 is an abundant number, since it is smaller than the sum of its proper divisors (3117079947408).

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

1945512302736 is a wasteful number, since it uses less digits than its factorization.

1945512302736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295850559 (or 295850553 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 1945512302736 in words is "one trillion, nine hundred forty-five billion, five hundred twelve million, three hundred two thousand, seven hundred thirty-six".