1023291541632 has 64 divisors (see below), whose sum is σ = 2878007479200. Its totient is φ = 321032638464.

The previous prime is 1023291541579. The next prime is 1023291541633. The reversal of 1023291541632 is 2361451923201.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1023291541633) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78370582 + ... + 78383637.

Almost surely, 2^{1023291541632} is an apocalyptic number.

1023291541632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023291541632 is an abundant number, since it is smaller than the sum of its proper divisors (1854715937568).

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

1023291541632 is a wasteful number, since it uses less digits than its factorization.

1023291541632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156754253 (or 156754241 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 1023291541632 in words is "one trillion, twenty-three billion, two hundred ninety-one million, five hundred forty-one thousand, six hundred thirty-two".