42215020487641 has 16 divisors (see below), whose sum is σ = 44987527961856. Its totient is φ = 39474705643776.

The previous prime is 42215020487603. The next prime is 42215020487669. The reversal of 42215020487641 is 14678402051224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42215020487641 - 2⁴¹ = 40015997232089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42215020487591 and 42215020487600.

It is not an unprimeable number, because it can be changed into a prime (42215020487741) 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, 25643520 + ... + 27240046.

It is an arithmetic number, because the mean of its divisors is an integer number (2811720497616).

Almost surely, 2^{42215020487641} is an apocalyptic number.

It is an amenable number.

42215020487641 is a deficient number, since it is larger than the sum of its proper divisors (2772507474215).

42215020487641 is a wasteful number, since it uses less digits than its factorization.

42215020487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606608.

The product of its (nonzero) digits is 860160, while the sum is 46.

It can be divided in two parts, 42215020 and 487641, that added together give a triangular number (42702661 = T₉₂₄₁).

The spelling of 42215020487641 in words is "forty-two trillion, two hundred fifteen billion, twenty million, four hundred eighty-seven thousand, six hundred forty-one".