1420262478 has 16 divisors (see below), whose sum is σ = 3156138960. Its totient is φ = 473420808.

The previous prime is 1420262453. The next prime is 1420262507. The reversal of 1420262478 is 8742620241.

1420262478 is a `hidden beast` number, since 1 + 4 + 20 + 2 + 624 + 7 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13150525 + ... + 13150632.

It is an arithmetic number, because the mean of its divisors is an integer number (197258685).

Almost surely, 2^1420262478 is an apocalyptic number.

1420262478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1420262478 is an abundant number, since it is smaller than the sum of its proper divisors (1735876482).

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

1420262478 is a wasteful number, since it uses less digits than its factorization.

1420262478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26301168 (or 26301162 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1420262478 is about 37686.3699233556. The cubic root of 1420262478 is about 1124.0601145434.

The spelling of 1420262478 in words is "one billion, four hundred twenty million, two hundred sixty-two thousand, four hundred seventy-eight".