1240023331632 has 40 divisors (see below), whose sum is σ = 3220165324800. Its totient is φ = 411177017920.

The previous prime is 1240023331601. The next prime is 1240023331633. The reversal of 1240023331632 is 2361333200421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240023331632.

It is not an unprimeable number, because it can be changed into a prime (1240023331633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67618632 + ... + 67636967.

It is an arithmetic number, because the mean of its divisors is an integer number (80504133120).

Almost surely, 2^{1240023331632} is an apocalyptic number.

1240023331632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240023331632 is an abundant number, since it is smaller than the sum of its proper divisors (1980141993168).

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

1240023331632 is a wasteful number, since it uses less digits than its factorization.

1240023331632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135255801 (or 135255795 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The spelling of 1240023331632 in words is "one trillion, two hundred forty billion, twenty-three million, three hundred thirty-one thousand, six hundred thirty-two".