40654621055 has 8 divisors (see below), whose sum is σ = 49333698000. Its totient is φ = 32158261696.

The previous prime is 40654620973. The next prime is 40654621079. The reversal of 40654621055 is 55012645604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40654621055 - 2¹⁸ = 40654358911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45678905 + ... + 45679794.

It is an arithmetic number, because the mean of its divisors is an integer number (6166712250).

Almost surely, 2^40654621055 is an apocalyptic number.

40654621055 is a deficient number, since it is larger than the sum of its proper divisors (8679076945).

40654621055 is an equidigital number, since it uses as much as digits as its factorization.

40654621055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91358793.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 40654621055 in words is "forty billion, six hundred fifty-four million, six hundred twenty-one thousand, fifty-five".