42013261546 has 8 divisors (see below), whose sum is σ = 63022457124. Its totient is φ = 21005775840.

The previous prime is 42013261519. The next prime is 42013261547. The reversal of 42013261546 is 64516231024.

It can be written as a sum of positive squares in 2 ways, for example, as 41998354225 + 14907321 = 204935^2 + 3861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42013261546² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42013261547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364165 + ... + 465448.

Almost surely, 2^42013261546 is an apocalyptic number.

42013261546 is a deficient number, since it is larger than the sum of its proper divisors (21009195578).

42013261546 is a wasteful number, since it uses less digits than its factorization.

42013261546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854936.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 42013261546 in words is "forty-two billion, thirteen million, two hundred sixty-one thousand, five hundred forty-six".