140546451240 has 128 divisors (see below), whose sum is σ = 504525772800. Its totient is φ = 34596046080.

The previous prime is 140546451181. The next prime is 140546451281. The reversal of 140546451240 is 42154645041.

140546451240 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 4 + 645 + 1 + 2 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140546451195 and 140546451204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4991176 + ... + 5019255.

It is an arithmetic number, because the mean of its divisors is an integer number (3941607600).

Almost surely, 2^140546451240 is an apocalyptic number.

140546451240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140546451240 is an abundant number, since it is smaller than the sum of its proper divisors (363979321560).

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

140546451240 is a wasteful number, since it uses less digits than its factorization.

140546451240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010464 (or 10010454 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 140546451240 in words is "one hundred forty billion, five hundred forty-six million, four hundred fifty-one thousand, two hundred forty".