45242542335040 has 56 divisors (see below), whose sum is σ = 107734499780760. Its totient is φ = 18096900046848.

The previous prime is 45242542334959. The next prime is 45242542335041. The reversal of 45242542335040 is 4053324524254.

It can be written as a sum of positive squares in 4 ways, for example, as 21153450106944 + 24089092228096 = 4599288^2 + 4908064^2 .

It is a super-2 number, since 2×45242542335040² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45242542335041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62864274 + ... + 63579886.

Almost surely, 2^{45242542335040} is an apocalyptic number.

45242542335040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45242542335040 is an abundant number, since it is smaller than the sum of its proper divisors (62491957445720).

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

45242542335040 is a wasteful number, since it uses less digits than its factorization.

45242542335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913199 (or 913189 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 45242542335040 its reverse (4053324524254), we get a palindrome (49295866859294).

The spelling of 45242542335040 in words is "forty-five trillion, two hundred forty-two billion, five hundred forty-two million, three hundred thirty-five thousand, forty".