1421935160040 has 96 divisors (see below), whose sum is σ = 4623063611400. Its totient is φ = 379037122560.

The previous prime is 1421935160029. The next prime is 1421935160059. The reversal of 1421935160040 is 400615391241.

It is a happy number.

1421935160040 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 9 + 3 + 5 + 1 + 600 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 646348465764 + 775586694276 = 803958^2 + 880674^2 .

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 = 1421935159977 and 1421935160004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182280 + ... + 1696200.

Almost surely, 2^{1421935160040} is an apocalyptic number.

1421935160040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421935160040 is an abundant number, since it is smaller than the sum of its proper divisors (3201128451360).

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

1421935160040 is a wasteful number, since it uses less digits than its factorization.

1421935160040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516547 (or 1516540 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1421935160040 in words is "one trillion, four hundred twenty-one billion, nine hundred thirty-five million, one hundred sixty thousand, forty".