1406045620 has 48 divisors (see below), whose sum is σ = 3378735360. Its totient is φ = 481469184.

The previous prime is 1406045593. The next prime is 1406045623. The reversal of 1406045620 is 265406041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406045623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 114121 + ... + 125839.

It is an arithmetic number, because the mean of its divisors is an integer number (70390320).

Almost surely, 2^1406045620 is an apocalyptic number.

1406045620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406045620 is an abundant number, since it is smaller than the sum of its proper divisors (1972689740).

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

1406045620 is a wasteful number, since it uses less digits than its factorization.

1406045620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592 (or 12590 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1406045620 is about 37497.2748343130. The cubic root of 1406045620 is about 1120.2969078910.

The spelling of 1406045620 in words is "one billion, four hundred six million, forty-five thousand, six hundred twenty".