1420523040078 has 24 divisors (see below), whose sum is σ = 3107681476848. Its totient is φ = 468910517472.

The previous prime is 1420523040037. The next prime is 1420523040119. The reversal of 1420523040078 is 8700403250241.

It is a happy number.

1420523040078 is a `hidden beast` number, since 1 + 4 + 20 + 523 + 0 + 40 + 0 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (1420523040037) and next prime (1420523040119).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383094975 + ... + 383098682.

It is an arithmetic number, because the mean of its divisors is an integer number (129486728202).

Almost surely, 2^{1420523040078} is an apocalyptic number.

1420523040078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1420523040078 is an abundant number, since it is smaller than the sum of its proper divisors (1687158436770).

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

1420523040078 is a wasteful number, since it uses less digits than its factorization.

1420523040078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766193768 (or 766193765 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 1420523040078 in words is "one trillion, four hundred twenty billion, five hundred twenty-three million, forty thousand, seventy-eight".