426205473634542 has 32 divisors (see below), whose sum is σ = 974280480585984. Its totient is φ = 121760924860800.

The previous prime is 426205473634517. The next prime is 426205473634573. The reversal of 426205473634542 is 245436374502624.

It is a super-2 number, since 2×426205473634542² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 502388059 + ... + 503235702.

It is an arithmetic number, because the mean of its divisors is an integer number (30446265018312).

Almost surely, 2^{426205473634542} is an apocalyptic number.

426205473634542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

426205473634542 is an abundant number, since it is smaller than the sum of its proper divisors (548075006951442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426205473634542 is a wasteful number, since it uses less digits than its factorization.

426205473634542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005633864.

The product of its (nonzero) digits is 116121600, while the sum is 57.

The spelling of 426205473634542 in words is "four hundred twenty-six trillion, two hundred five billion, four hundred seventy-three million, six hundred thirty-four thousand, five hundred forty-two".