140046006520 has 64 divisors (see below), whose sum is σ = 361704890880. Its totient is φ = 47804228736.

The previous prime is 140046006517. The next prime is 140046006521. The reversal of 140046006520 is 25600640041.

It is a super-2 number, since 2×140046006520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140046006521) 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, 1038124 + ... + 1165243.

It is an arithmetic number, because the mean of its divisors is an integer number (5651638920).

Almost surely, 2^140046006520 is an apocalyptic number.

140046006520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140046006520 is an abundant number, since it is smaller than the sum of its proper divisors (221658884360).

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

140046006520 is a wasteful number, since it uses less digits than its factorization.

140046006520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203612 (or 2203608 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 140046006520 its reverse (25600640041), we get a palindrome (165646646561).

The spelling of 140046006520 in words is "one hundred forty billion, forty-six million, six thousand, five hundred twenty".