140155540551040 has 64 divisors (see below), whose sum is σ = 382924959017760. Its totient is φ = 48053328187392.

The previous prime is 140155540551029. The next prime is 140155540551077. The reversal of 140155540551040 is 40155045551041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×140155540551040³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 140155540550984 and 140155540551002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15642354957 + ... + 15642363916.

Almost surely, 2^{140155540551040} is an apocalyptic number.

140155540551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140155540551040 is an abundant number, since it is smaller than the sum of its proper divisors (242769418466720).

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

140155540551040 is an equidigital number, since it uses as much as digits as its factorization.

140155540551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31284718899 (or 31284718887 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 140155540551040 in words is "one hundred forty trillion, one hundred fifty-five billion, five hundred forty million, five hundred fifty-one thousand, forty".