1840040220039 has 16 divisors (see below), whose sum is σ = 2803921236480. Its totient is φ = 1051432644960.

The previous prime is 1840040220013. The next prime is 1840040220079. The reversal of 1840040220039 is 9300220400481.

It is not a de Polignac number, because 1840040220039 - 2⁹ = 1840040219527 is a prime.

It is a super-2 number, since 2×1840040220039² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1840040219991 and 1840040220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840040220079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453069 + ... + 1971129.

It is an arithmetic number, because the mean of its divisors is an integer number (175245077280).

Almost surely, 2^{1840040220039} is an apocalyptic number.

1840040220039 is a deficient number, since it is larger than the sum of its proper divisors (963881016441).

1840040220039 is a wasteful number, since it uses less digits than its factorization.

1840040220039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575790.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 1840040220039 in words is "one trillion, eight hundred forty billion, forty million, two hundred twenty thousand, thirty-nine".