40389003762779 has 16 divisors (see below), whose sum is σ = 46212340711680. Its totient is φ = 34579038684960.

The previous prime is 40389003762727. The next prime is 40389003762787. The reversal of 40389003762779 is 97726730098304.

It is not a de Polignac number, because 40389003762779 - 2³⁶ = 40320284286043 is a prime.

It is a super-3 number, since 3×40389003762779³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40389003762799) 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, 360982457 + ... + 361094325.

It is an arithmetic number, because the mean of its divisors is an integer number (2888271294480).

Almost surely, 2^{40389003762779} is an apocalyptic number.

40389003762779 is a deficient number, since it is larger than the sum of its proper divisors (5823336948901).

40389003762779 is a wasteful number, since it uses less digits than its factorization.

40389003762779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171170.

The product of its (nonzero) digits is 96018048, while the sum is 65.

The spelling of 40389003762779 in words is "forty trillion, three hundred eighty-nine billion, three million, seven hundred sixty-two thousand, seven hundred seventy-nine".