1420500250240 has 64 divisors (see below), whose sum is σ = 3397797151560. Its totient is φ = 567879892992.

The previous prime is 1420500250231. The next prime is 1420500250243. The reversal of 1420500250240 is 420520050241.

It can be written as a sum of positive squares in 4 ways, for example, as 813185525824 + 607314724416 = 901768^2 + 779304^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1420500250243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 512764 + ... + 1761796.

Almost surely, 2^{1420500250240} is an apocalyptic number.

1420500250240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420500250240 is an abundant number, since it is smaller than the sum of its proper divisors (1977296901320).

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

1420500250240 is a wasteful number, since it uses less digits than its factorization.

1420500250240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250829 (or 1250817 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 1420500250240 in words is "one trillion, four hundred twenty billion, five hundred million, two hundred fifty thousand, two hundred forty".