1420496209440 has 720 divisors, whose sum is σ = 6361825022784. Its totient is φ = 295166592000.

The previous prime is 1420496209427. The next prime is 1420496209453. The reversal of 1420496209440 is 449026940241.

1420496209440 is a `hidden beast` number, since 1 + 420 + 49 + 62 + 0 + 94 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (1420496209427) and next prime (1420496209453).

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×1420496209440² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6883765 + ... + 7087115.

Almost surely, 2^{1420496209440} is an apocalyptic number.

1420496209440 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 1420496209440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3180912511392).

1420496209440 is an abundant number, since it is smaller than the sum of its proper divisors (4941328813344).

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

1420496209440 is a wasteful number, since it uses less digits than its factorization.

1420496209440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203403 (or 203379 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1420496209440 in words is "one trillion, four hundred twenty billion, four hundred ninety-six million, two hundred nine thousand, four hundred forty".