42007532545 has 32 divisors (see below), whose sum is σ = 58723107840. Its totient is φ = 28545888000.

The previous prime is 42007532527. The next prime is 42007532549. The reversal of 42007532545 is 54523570024.

It is not a de Polignac number, because 42007532545 - 2⁵ = 42007532513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42007532549) 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, 375346 + ... + 474235.

It is an arithmetic number, because the mean of its divisors is an integer number (1835097120).

Almost surely, 2^42007532545 is an apocalyptic number.

It is an amenable number.

42007532545 is a deficient number, since it is larger than the sum of its proper divisors (16715575295).

42007532545 is a wasteful number, since it uses less digits than its factorization.

42007532545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849657.

The product of its (nonzero) digits is 168000, while the sum is 37.

The spelling of 42007532545 in words is "forty-two billion, seven million, five hundred thirty-two thousand, five hundred forty-five".