1420254288 has 30 divisors (see below), whose sum is σ = 3974739834. Its totient is φ = 473418048.

The previous prime is 1420254281. The next prime is 1420254317. The reversal of 1420254288 is 8824520241.

1420254288 is a `hidden beast` number, since 14 + 20 + 2 + 542 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1325542464 + 94711824 = 36408^2 + 9732^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420254281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4931295 + ... + 4931582.

Almost surely, 2^1420254288 is an apocalyptic number.

1420254288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1420254288 is an abundant number, since it is smaller than the sum of its proper divisors (2554485546).

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

1420254288 is a wasteful number, since it uses less digits than its factorization.

1420254288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9862891 (or 9862882 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1420254288 is about 37686.2612632243. The cubic root of 1420254288 is about 1124.0579538935.

The spelling of 1420254288 in words is "one billion, four hundred twenty million, two hundred fifty-four thousand, two hundred eighty-eight".