4020140353545 has 48 divisors (see below), whose sum is σ = 7138703400192. Its totient is φ = 2091632958720.

The previous prime is 4020140353477. The next prime is 4020140353553. The reversal of 4020140353545 is 5453530410204.

4020140353545 is a `hidden beast` number, since 4 + 0 + 20 + 1 + 40 + 3 + 53 + 545 = 666.

It is not a de Polignac number, because 4020140353545 - 2¹¹ = 4020140351497 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29124582 + ... + 29262288.

It is an arithmetic number, because the mean of its divisors is an integer number (148722987504).

Almost surely, 2^{4020140353545} is an apocalyptic number.

4020140353545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4020140353545 is a deficient number, since it is larger than the sum of its proper divisors (3118563046647).

4020140353545 is a wasteful number, since it uses less digits than its factorization.

4020140353545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153582 (or 153579 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 4020140353545 its reverse (5453530410204), we get a palindrome (9473670763749).

The spelling of 4020140353545 in words is "four trillion, twenty billion, one hundred forty million, three hundred fifty-three thousand, five hundred forty-five".