1420917792 has 48 divisors (see below), whose sum is σ = 4262755392. Its totient is φ = 405976320.

The previous prime is 1420917739. The next prime is 1420917803. The reversal of 1420917792 is 2977190241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056559 + ... + 1057902.

It is an arithmetic number, because the mean of its divisors is an integer number (88807404).

Almost surely, 2^1420917792 is an apocalyptic number.

1420917792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420917792 is an abundant number, since it is smaller than the sum of its proper divisors (2841837600).

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

1420917792 is a wasteful number, since it uses less digits than its factorization.

1420917792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114481 (or 2114473 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1420917792 is about 37695.0632311447. The cubic root of 1420917792 is about 1124.2329696972.

The spelling of 1420917792 in words is "one billion, four hundred twenty million, nine hundred seventeen thousand, seven hundred ninety-two".