45240020140 has 48 divisors (see below), whose sum is σ = 110886193152. Its totient is φ = 15180843456.

The previous prime is 45240020123. The next prime is 45240020141. The reversal of 45240020140 is 4102004254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45240020141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431112 + ... + 3444271.

It is an arithmetic number, because the mean of its divisors is an integer number (2310129024).

Almost surely, 2^45240020140 is an apocalyptic number.

It is an amenable number.

45240020140 is an abundant number, since it is smaller than the sum of its proper divisors (65646173012).

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

45240020140 is a wasteful number, since it uses less digits than its factorization.

45240020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875446 (or 6875444 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 45240020140 its reverse (4102004254), we get a palindrome (49342024394).

The spelling of 45240020140 in words is "forty-five billion, two hundred forty million, twenty thousand, one hundred forty".