1927064940 has 48 divisors (see below), whose sum is σ = 5400833760. Its totient is φ = 513402880.

The previous prime is 1927064917. The next prime is 1927064957. The reversal of 1927064940 is 494607291.

It is a junction number, because it is equal to n+sod(n) for n = 1927064892 and 1927064901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52060 + ... + 81020.

It is an arithmetic number, because the mean of its divisors is an integer number (112517370).

Almost surely, 2^1927064940 is an apocalyptic number.

1927064940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1927064940 is an abundant number, since it is smaller than the sum of its proper divisors (3473768820).

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

1927064940 is a wasteful number, since it uses less digits than its factorization.

1927064940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30082 (or 30080 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1927064940 is about 43898.3478049004. The cubic root of 1927064940 is about 1244.4156093505.

The spelling of 1927064940 in words is "one billion, nine hundred twenty-seven million, sixty-four thousand, nine hundred forty".