42013261545 has 32 divisors (see below), whose sum is σ = 67382876928. Its totient is φ = 22353262848.

The previous prime is 42013261519. The next prime is 42013261547. The reversal of 42013261545 is 54516231024.

It is not a de Polignac number, because 42013261545 - 2⁶ = 42013261481 is a prime.

It is a super-2 number, since 2×42013261545² (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 31 ways as a sum of consecutive naturals, for example, 16429407 + ... + 16431963.

It is an arithmetic number, because the mean of its divisors is an integer number (2105714904).

Almost surely, 2^42013261545 is an apocalyptic number.

It is an amenable number.

42013261545 is a deficient number, since it is larger than the sum of its proper divisors (25369615383).

42013261545 is a wasteful number, since it uses less digits than its factorization.

42013261545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 42013261545 its reverse (54516231024), we get a palindrome (96529492569).

The spelling of 42013261545 in words is "forty-two billion, thirteen million, two hundred sixty-one thousand, five hundred forty-five".