40027643020615 has 8 divisors (see below), whose sum is σ = 49689487887840. Its totient is φ = 30917903574432.

The previous prime is 40027643020591. The next prime is 40027643020669. The reversal of 40027643020615 is 51602034672004.

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 40027643020615 - 2⁹ = 40027643020103 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, 138026355099 + ... + 138026355388.

It is an arithmetic number, because the mean of its divisors is an integer number (6211185985980).

Almost surely, 2^{40027643020615} is an apocalyptic number.

40027643020615 is a deficient number, since it is larger than the sum of its proper divisors (9661844867225).

40027643020615 is a wasteful number, since it uses less digits than its factorization.

40027643020615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276052710521.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 40027643020615 its reverse (51602034672004), we get a palindrome (91629677692619).

The spelling of 40027643020615 in words is "forty trillion, twenty-seven billion, six hundred forty-three million, twenty thousand, six hundred fifteen".