642303026435 has 32 divisors (see below), whose sum is σ = 917073105792. Its totient is φ = 422662302720.

The previous prime is 642303026419. The next prime is 642303026447. The reversal of 642303026435 is 534620303246.

It is not a de Polignac number, because 642303026435 - 2⁴ = 642303026419 is a prime.

It is a super-4 number, since 4×642303026435⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3302636 + ... + 3491705.

It is an arithmetic number, because the mean of its divisors is an integer number (28658534556).

Almost surely, 2^642303026435 is an apocalyptic number.

642303026435 is a deficient number, since it is larger than the sum of its proper divisors (274770079357).

642303026435 is a wasteful number, since it uses less digits than its factorization.

642303026435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794463.

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 642303026435 in words is "six hundred forty-two billion, three hundred three million, twenty-six thousand, four hundred thirty-five".