1420551936 has 108 divisors (see below), whose sum is σ = 4228136640. Its totient is φ = 458219520.

The previous prime is 1420551911. The next prime is 1420551947. The reversal of 1420551936 is 6391550241.

1420551936 is a `hidden beast` number, since 14 + 2 + 0 + 551 + 93 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1420551936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61480 + ... + 81368.

Almost surely, 2^1420551936 is an apocalyptic number.

1420551936 is a gapful number since it is divisible by the number (16) 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 1420551936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114068320).

1420551936 is an abundant number, since it is smaller than the sum of its proper divisors (2807584704).

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

1420551936 is a wasteful number, since it uses less digits than its factorization.

1420551936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19942 (or 19925 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1420551936 is about 37690.2100816644. The cubic root of 1420551936 is about 1124.1364727509.

The spelling of 1420551936 in words is "one billion, four hundred twenty million, five hundred fifty-one thousand, nine hundred thirty-six".