2115450554240 has 64 divisors (see below), whose sum is σ = 5057425991520. Its totient is φ = 846150604800.

The previous prime is 2115450554237. The next prime is 2115450554251. The reversal of 2115450554240 is 424550545112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2115450554194 and 2115450554203.

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, 32902925 + ... + 32967155.

Almost surely, 2^{2115450554240} is an apocalyptic number.

2115450554240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115450554240 is an abundant number, since it is smaller than the sum of its proper divisors (2941975437280).

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

2115450554240 is an equidigital number, since it uses as much as digits as its factorization.

2115450554240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115711 (or 115699 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 2115450554240 in words is "two trillion, one hundred fifteen billion, four hundred fifty million, five hundred fifty-four thousand, two hundred forty".