1427398200 has 480 divisors, whose sum is σ = 5396038560. Its totient is φ = 348364800.

The previous prime is 1427398187. The next prime is 1427398223. The reversal of 1427398200 is 28937241.

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

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

It is a congruent number.

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, 19553364 + ... + 19553436.

It is an arithmetic number, because the mean of its divisors is an integer number (11241747).

Almost surely, 2^1427398200 is an apocalyptic number.

1427398200 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 1427398200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698019280).

1427398200 is an abundant number, since it is smaller than the sum of its proper divisors (3968640360).

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

1427398200 is a wasteful number, since it uses less digits than its factorization.

1427398200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1427398200 is about 37780.9237578967. The cubic root of 1427398200 is about 1125.9394818916.

The spelling of 1427398200 in words is "one billion, four hundred twenty-seven million, three hundred ninety-eight thousand, two hundred".