1420013776040 has 128 divisors (see below), whose sum is σ = 3562034486400. Its totient is φ = 506313400320.

The previous prime is 1420013776019. The next prime is 1420013776087. The reversal of 1420013776040 is 406773100241.

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, 52402895 + ... + 52429985.

It is an arithmetic number, because the mean of its divisors is an integer number (27828394425).

Almost surely, 2^{1420013776040} is an apocalyptic number.

1420013776040 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 1420013776040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781017243200).

1420013776040 is an abundant number, since it is smaller than the sum of its proper divisors (2142020710360).

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

1420013776040 is a wasteful number, since it uses less digits than its factorization.

1420013776040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31195 (or 31191 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 1420013776040 its reverse (406773100241), we get a palindrome (1826786876281).

The spelling of 1420013776040 in words is "one trillion, four hundred twenty billion, thirteen million, seven hundred seventy-six thousand, forty".