1864454056 has 16 divisors (see below), whose sum is σ = 3701489940. Its totient is φ = 877390080.

The previous prime is 1864454029. The next prime is 1864454093. The reversal of 1864454056 is 6504544681.

It can be written as a sum of positive squares in 2 ways, for example, as 1834751556 + 29702500 = 42834^2 + 5450^2 .

It is a super-2 number, since 2×1864454056² = 6952377853869702272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6854475 + ... + 6854746.

Almost surely, 2^1864454056 is an apocalyptic number.

It is an amenable number.

1864454056 is a deficient number, since it is larger than the sum of its proper divisors (1837035884).

1864454056 is a wasteful number, since it uses less digits than its factorization.

1864454056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709244 (or 13709240 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 1864454056 is about 43179.3244041636. The cubic root of 1864454056 is about 1230.7898194705.

The spelling of 1864454056 in words is "one billion, eight hundred sixty-four million, four hundred fifty-four thousand, fifty-six".