5540666031 has 8 divisors (see below), whose sum is σ = 8208394160. Its totient is φ = 3693777336.

The previous prime is 5540666023. The next prime is 5540666069. The reversal of 5540666031 is 1306660455.

It is not a de Polignac number, because 5540666031 - 2³ = 5540666023 is a prime.

It is a super-2 number, since 2×5540666031² = 61397960134154585922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540666071) 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, 102604900 + ... + 102604953.

It is an arithmetic number, because the mean of its divisors is an integer number (1026049270).

Almost surely, 2^5540666031 is an apocalyptic number.

5540666031 is a deficient number, since it is larger than the sum of its proper divisors (2667728129).

5540666031 is a wasteful number, since it uses less digits than its factorization.

5540666031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205209862 (or 205209856 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5540666031 is about 74435.6502692090. The cubic root of 5540666031 is about 1769.5139515746.

The spelling of 5540666031 in words is "five billion, five hundred forty million, six hundred sixty-six thousand, thirty-one".