42403106626564 has 48 divisors (see below), whose sum is σ = 78826098548736. Its totient is φ = 19927795773600.

The previous prime is 42403106626553. The next prime is 42403106626571. The reversal of 42403106626564 is 46562660130424.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27006594 + ... + 28533529.

It is an arithmetic number, because the mean of its divisors is an integer number (1642210386432).

Almost surely, 2^{42403106626564} is an apocalyptic number.

It is an amenable number.

42403106626564 is a deficient number, since it is larger than the sum of its proper divisors (36422991922172).

42403106626564 is a wasteful number, since it uses less digits than its factorization.

42403106626564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55540336 (or 55540334 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

Adding to 42403106626564 its reverse (46562660130424), we get a palindrome (88965766756988).

The spelling of 42403106626564 in words is "forty-two trillion, four hundred three billion, one hundred six million, six hundred twenty-six thousand, five hundred sixty-four".