2021460463440 has 120 divisors (see below), whose sum is σ = 7405896090528. Its totient is φ = 490051019520.

The previous prime is 2021460463439. The next prime is 2021460463453. The reversal of 2021460463440 is 443640641202.

2021460463440 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 4 + 604 + 6 + 3 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 2021460463395 and 2021460463404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127609534 + ... + 127625373.

Almost surely, 2^{2021460463440} is an apocalyptic number.

2021460463440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021460463440 is an abundant number, since it is smaller than the sum of its proper divisors (5384435627088).

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

2021460463440 is a wasteful number, since it uses less digits than its factorization.

2021460463440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255234937 (or 255234928 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 2021460463440 in words is "two trillion, twenty-one billion, four hundred sixty million, four hundred sixty-three thousand, four hundred forty".