1834696440 has 128 divisors (see below), whose sum is σ = 6475464000. Its totient is φ = 460468224.

The previous prime is 1834696439. The next prime is 1834696441. The reversal of 1834696440 is 446964381.

1834696440 is a `hidden beast` number, since 1 + 83 + 46 + 96 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (1834696439) and next prime (1834696441).

It is a super-2 number, since 2×1834696440² = 6732222053897347200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834696441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31605 + ... + 68324.

Almost surely, 2^1834696440 is an apocalyptic number.

1834696440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1834696440 is an abundant number, since it is smaller than the sum of its proper divisors (4640767560).

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

1834696440 is a wasteful number, since it uses less digits than its factorization.

1834696440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99966 (or 99956 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 1834696440 is about 42833.3566277498. The cubic root of 1834696440 is about 1224.2066644505.

The spelling of 1834696440 in words is "one billion, eight hundred thirty-four million, six hundred ninety-six thousand, four hundred forty".