42154226433 has 24 divisors (see below), whose sum is σ = 66769042080. Its totient is φ = 25415631360.

The previous prime is 42154226423. The next prime is 42154226449. The reversal of 42154226433 is 33462245124.

42154226433 is a `hidden beast` number, since 4 + 2 + 1 + 5 + 4 + 2 + 2 + 643 + 3 = 666.

It is not a de Polignac number, because 42154226433 - 2¹³ = 42154218241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42154226423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084003 + ... + 1122216.

It is an arithmetic number, because the mean of its divisors is an integer number (2782043420).

Almost surely, 2^42154226433 is an apocalyptic number.

It is an amenable number.

42154226433 is a deficient number, since it is larger than the sum of its proper divisors (24614815647).

42154226433 is a wasteful number, since it uses less digits than its factorization.

42154226433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206429 (or 2206426 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The spelling of 42154226433 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty-six thousand, four hundred thirty-three".