1940032079540 has 24 divisors (see below), whose sum is σ = 4074124572672. Its totient is φ = 776001935520.

The previous prime is 1940032079521. The next prime is 1940032079543. The reversal of 1940032079540 is 459702300491.

It is a super-2 number, since 2×1940032079540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1940032079491 and 1940032079500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940032079543) 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, 864497 + ... + 2151143.

It is an arithmetic number, because the mean of its divisors is an integer number (169755190528).

Almost surely, 2^{1940032079540} is an apocalyptic number.

1940032079540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1940032079540 is an abundant number, since it is smaller than the sum of its proper divisors (2134092493132).

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

1940032079540 is a wasteful number, since it uses less digits than its factorization.

1940032079540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362047 (or 1362045 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 1940032079540 in words is "one trillion, nine hundred forty billion, thirty-two million, seventy-nine thousand, five hundred forty".