1420342655040 has 672 divisors, whose sum is σ = 5287888636800. Its totient is φ = 358840627200.

The previous prime is 1420342654993. The next prime is 1420342655041. The reversal of 1420342655040 is 405562430241.

1420342655040 is a `hidden beast` number, since 1 + 4 + 20 + 3 + 42 + 6 + 550 + 40 = 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 = 1420342654986 and 1420342655004.

It is not an unprimeable number, because it can be changed into a prime (1420342655041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 498189615 + ... + 498192465.

It is an arithmetic number, because the mean of its divisors is an integer number (7868881900).

Almost surely, 2^{1420342655040} is an apocalyptic number.

1420342655040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420342655040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643944318400).

1420342655040 is an abundant number, since it is smaller than the sum of its proper divisors (3867545981760).

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

1420342655040 is a wasteful number, since it uses less digits than its factorization.

1420342655040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1420342655040 in words is "one trillion, four hundred twenty billion, three hundred forty-two million, six hundred fifty-five thousand, forty".