40030625655 has 224 divisors, whose sum is σ = 79013302272. Its totient is φ = 19399564800.

The previous prime is 40030625651. The next prime is 40030625671. The reversal of 40030625655 is 55652603004.

It is a happy number.

40030625655 is a `hidden beast` number, since 4 + 0 + 0 + 30 + 62 + 565 + 5 = 666.

It is not a de Polignac number, because 40030625655 - 2² = 40030625651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030625651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 189718500 + ... + 189718710.

Almost surely, 2^40030625655 is an apocalyptic number.

40030625655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40030625655 is a deficient number, since it is larger than the sum of its proper divisors (38982676617).

40030625655 is a wasteful number, since it uses less digits than its factorization.

40030625655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 40030625655 in words is "forty billion, thirty million, six hundred twenty-five thousand, six hundred fifty-five".