40647485755 has 16 divisors (see below), whose sum is σ = 49207150080. Its totient is φ = 32232441472.

The previous prime is 40647485743. The next prime is 40647485759. The reversal of 40647485755 is 55758474604.

It is a cyclic number.

It is not a de Polignac number, because 40647485755 - 2¹⁵ = 40647452987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40647485696 and 40647485705.

It is not an unprimeable number, because it can be changed into a prime (40647485759) 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, 188262 + ... + 341668.

It is an arithmetic number, because the mean of its divisors is an integer number (3075446880).

Almost surely, 2^40647485755 is an apocalyptic number.

40647485755 is a deficient number, since it is larger than the sum of its proper divisors (8559664325).

40647485755 is a wasteful number, since it uses less digits than its factorization.

40647485755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153878.

The product of its (nonzero) digits is 18816000, while the sum is 55.

The spelling of 40647485755 in words is "forty billion, six hundred forty-seven million, four hundred eighty-five thousand, seven hundred fifty-five".