427545405754542 has 32 divisors (see below), whose sum is σ = 950101744029600. Its totient is φ = 142515008898624.

The previous prime is 427545405754531. The next prime is 427545405754591. The reversal of 427545405754542 is 245457504545724.

427545405754542 is a `hidden beast` number, since 4 + 2 + 7 + 5 + 4 + 5 + 4 + 0 + 575 + 4 + 54 + 2 = 666.

It is a super-3 number, since 3×427545405754542³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427545405754542.

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, 73438584 + ... + 79046292.

It is an arithmetic number, because the mean of its divisors is an integer number (29690679500925).

Almost surely, 2^{427545405754542} is an apocalyptic number.

427545405754542 is an abundant number, since it is smaller than the sum of its proper divisors (522556338275058).

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

427545405754542 is a wasteful number, since it uses less digits than its factorization.

427545405754542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019617 (or 7019611 counting only the distinct ones).

The product of its (nonzero) digits is 627200000, while the sum is 63.

The spelling of 427545405754542 in words is "four hundred twenty-seven trillion, five hundred forty-five billion, four hundred five million, seven hundred fifty-four thousand, five hundred forty-two".