40550055651531 has 6 divisors (see below), whose sum is σ = 58572302607780. Its totient is φ = 27033370434348.

The previous prime is 40550055651473. The next prime is 40550055651533. The reversal of 40550055651531 is 13515655005504.

40550055651531 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 0 + 0 + 55 + 65 + 1 + 531 = 666.

It is not a de Polignac number, because 40550055651531 - 2⁹ = 40550055651019 is a prime.

It is a super-2 number, since 2×40550055651531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40550055651533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2252780869521 + ... + 2252780869538.

It is an arithmetic number, because the mean of its divisors is an integer number (9762050434630).

Almost surely, 2^{40550055651531} is an apocalyptic number.

40550055651531 is a deficient number, since it is larger than the sum of its proper divisors (18022246956249).

40550055651531 is a wasteful number, since it uses less digits than its factorization.

40550055651531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505561739065 (or 4505561739062 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 40550055651531 in words is "forty trillion, five hundred fifty billion, fifty-five million, six hundred fifty-one thousand, five hundred thirty-one".